- "You gotta do what you can to protect your family. I learned that from my father."
Connor was conceived when his father, Angel, slept with Darla while going through a dark phase. After several failed attempts to abort her pregnancy, Darla returned to Los Angeles seeking Angel's help. In order to allow for the baby to be born, Darla staked herself, leaving Connor alive and unscathed. Connor's birth, though theoretically impossible, was prophecized in the Nyazian Scrolls, having foretold that he would kill the Granok demon Sahjhan when he reached adulthood.
Shortly afterwards, Connor was kidnapped by Daniel Holtz and taken to the hell dimension Quor'toth, where he was raised, trained, and conditioned to hate Angel. Holtz's brutal training regimen, combined with constantly fighting for his life in Quor'toth, left Connor mentally and emotionally unstable.
Upon his return to Los Angeles, Connor set about trying to kill Angel, eventually trapping him at the bottom of the ocean when Holtz committed suicide in a manner simulating a vampire attack as part of his plan. Upon Angel's return, the two began to reconcile, only for the subsequent Jasmine crisis to drive Connor over the edge. As part of a deal with Wolfram & Hart, Angel had the Senior Partners alter reality to give Connor a normal human life and family with no memory of the Angel Investigations team.
However, Connor's memories of the original reality were restored when Wesley Wyndam-Pryce destroyed an Orlon Window used in the original spell, defeating Sahjhan as the prophecy foretold and teaming up with Angel to finally kill Marcus Hamilton. Recovering his family granting him the emotional stability he once lacked.
Connor was born in November 2001 in Los Angeles, California. He was a "miracle" child; a superhuman born of two vampires, Angel and Darla. His existence was brought on by his father enduring trials to win a new life for his mother who was, at the time, dying. Unfortunately, it was for naught as Darla had already gotten a second chance at life, though thanks to a night of passion the two vampires shared together, Angel's prize did not go to waste. Darla, unable to physically give birth, killed herself to save Connor. Darla drove a wooden stake through her own heart to leave the newborn Connor more or less unscathed. For the first few months of his life, Connor became a part of the Angel Investigations family, jointly raised by the entire group at the Hyperion Hotel. At the hospital where he was brought after birth, he was officially registered as "Connor Angel," as his father was given the alias "Geraldo Angel." However, being the "miracle child" sired by two vampires, Angel Investigations speculated that the Order of Phillius, Beltar the Cremator, Frank, Piper Beast, and the Scourge were potential threats against the baby.
Connor was prophesied to destroy the time-shifting demon lord, Sahjhan. In an effort to negate the prophecy and save his own life, Sahjhan traveled back and forth through time and rewrote the prophecy to read "The father will kill the son," in reference to Angel and Connor. Shocked and worried for the baby's safety, with his concerns ever growing when Angel grew increasingly violent when Lilah Morgan spiked Angel's food with Connor's blood, Wesley Wyndam-Pryce kidnapped the baby and planned on taking him away from Angel permanently. However, before Wesley had the chance to leave Los Angeles, Daniel Holtz ordered his follower, Justine Cooper, to slit Wesley's throat and take Connor as vengeance for Angel's murder of his own family centuries earlier. It was Holtz's intent to raise Connor as his own son, renaming him Steven Franklin Thomas Holtz. However, several factions wanted the baby Connor for different reasons, ultimately resulting in nearly no one getting what they really wanted. The lawyers at Wolfram & Hart wanted the miracle baby to dissect and analyze it, Sahjhan wanted the baby killed, Holtz wanted to escape and raise the baby as his own, and Angel just wanted his son returned. In an intense power play, Holtz ran into a portal to the hell dimension called Quor Toth, opened by Sahjhan, with baby Connor in his arms.
Quor-Toth and Holtz
- "Couple of weeks ago he was wearing diapers. Now he's a teenager?"
Since time ran more quickly in Quor'Toth, Connor aged at an accelerated rate in relation to the time on Earth. He was forced to constantly fight for his life in the violent, demonic dimension. Holtz raised Connor as his son, Steven, trained him to fight and hunt vampires, and told him tales about Angelus, Angel's soulless vampiric persona - especially what Angelus did to Holtz's family, as well as a slightly biased version of what Angel had become since regaining his soul. This effectively turned Connor against his true father and Connor grew to despise him. Though Holtz's full training regimen is unknown, one such session involved Holtz tying Connor to a tree and then running away, leaving Connor to free himself and track Holtz down in the wilderness of Quor'toth; while looking back on those days, Connor proudly remarked to Angel that once, it "only took [him] five days" to find him.
Mere days after his disappearance from Los Angeles, Connor, called "The Destroyer" by beings in Quor'Toth, suddenly returned as an eighteen year old. He punched a rift out of the dimension and was transported into the lobby of the Hyperion Hotel with one goal: to kill Angel. Conflict and confusion were abundant as Connor adjusted to life in Los Angeles and he was further manipulated by Holtz, who had followed him back into this reality. Eventually, under his own plan, Holtz was killed by his loyal follower, Justine, in a manner that framed Angel for the action. Enraged, Connor, with help from Justine, sealed Angel in a metal box and sunk him to the bottom of the ocean, where he could survive indefinitely due to his vampiric nature.
Afterward, Connor seemingly joined Angel Investigations, who, at that point, consisted of Charles Gunn and Winifred Burkle, who acted as his guardians. During that time, their primary mission was searching for clues around the disappearance of both Angel and Cordelia Chase, though Connor went out of his way to ensure that Angel's whereabouts remained hidden from them, even going so far as to kill the only witness to his deed. When the truth was revealed, Gunn and Fred attacked him, and Fred went so far as to torture him with a stun gun and accuse him of disposing of Cordelia as well, though the returned Angel deduced that Connor was not responsible for Cordelia's disappearance. Proceeding this, relations between Angel and Connor were quite shaky, yet slowly improved. Connor even started to call Angel "Dad." Due to his difficult upbringing, Connor found it difficult to develop emotional attachments to people, yet, once she returned, he forms a close bond with anmesiac Cordelia.
When a seemingly all-powerful demon known as The Beast rose from the ground in the very same place that he had been born, Connor felt responsible. As fire rained from the sky, Connor sought solace in Cordelia's arms. Unknown to him, and to everyone else, was the fact that Cordelia was under the control of a powerful cosmic entity who sought dominion over the human race, and who had been orchestrating events for years in order to be fully brought forth into the world. Connor's night of passion with Cordelia had serious repercussions as it allowed the arrival of this very being, later named "Jasmine." Connor's very existence was orchestrated in order for this event to occur. Thanks to using Cordelia's body to have sex with Connor, she became pregnant and told Connor that his new family was special.
Later, when they were forced to break Angel's curse in order to destroy the Beast, Connor openly supported killing Angelus rather than attempting to re-ensoul him, and even attempted to stake an unconscious Angelus on the orders of "Cordelia" while Willow Rosenberg was attempting to re-ensoul him once more, though he was stopped by Slayer Faith Lehane long enough for Willow to do so. Once Cordelia was exposed as the one responsible for the terrible things that had been going on, she and Connor went on the run, Cordelia having convinced Connor that Angel and his team were trying to murder their child because they didn't understand it. When Cordelia asked Connor to murder an innocent girl so her blood could anoint their child, the Powers That Be sent Darla to stop him. Though he was initially skeptical, Darla nearly got through to Connor before Cordelia arrived and shunned his mother's presence as nothing more than a magic trick. Connor told Darla that she was not really his mother and proceeded to allow the innocent girl to be sacrificed, allowing Cordelia to give birth to Jasmine.
- "I know she's a lie. Jasmine. My whole life's been built on them. I just... I guess I thought this one was better than the others."
Unfortunately, while everyone basked in the glory of Jasmine, who caused immense joy and peace for whomever was in her presence, Connor did not feel the same inner peace and was left with untold loneliness and isolation, going along with the 'lie' of Jasmine simply because he did not know what else to do, feeling as though his entire life had been based on lies and merely hoping that the lie of Jasmine was better than the others. Struggling with his inner demons and weary from the constant fighting, both for and against Angel, all he wanted was to rest. This ultimately lead him into a desperate situation where he was willing to hurt not only himself, but others as well.
When Angel broke Jasmine's hold over Los Angeles by revealing her true name to them in a live broadcast, Connor killed her himself and then, an emotional wreck, attempted to kill the comatose Cordelia and himself by wiring them and a shop full of innocents to explosives. In a final act of love, Angel agreed to take over the Los Angeles branch of Wolfram & Hart in exchange for his son's life. As per the agreement, Connor was to have a whole new existence as an ordinary boy raised by a happy family, with no memory of his kidnapping, his childhood in Quor-Toth with Holtz, and the subsequent year after his return. Connor died at Angel's own hand so that he could be "reborn" into his new life, technically fulfilling the once-false prophecy that "the father will kill the son." Other than Angel, and some special cases like Cordelia and Eve, everyone's memories were rewritten to accommodate this new reality.
In his new reality, Connor became Connor Reilly, the son of Laurence and Colleen Reilly, with new, normal memories of a traditional life, with his most traumatic memory being getting lost in a store when he was five. However, he was destined to cross Angel's path again. A few months after Angel took over Wolfram & Hart, Laurence and Colleen brought Connor to the office in order to get some answers about their son. Connor had been hit by a van, but suffered no injuries. Angel sent the family away, saying that there was nothing that he could do for their situation. Soon after, Connor's family was attacked by demons, and in the struggle, Connor displayed an amazing feat of strength, much to everyone's surprise. Having no other choice, Angel informed Connor of his special abilities, but left out the fact that he was his father or the source of his powers. However, the attacks were not random occurrences. Cyvus Vail, an elderly demonic sorcerer and the architect of Connor's new life, drew Connor out on purpose. Vail demanded that Connor fulfill his destiny and kill Sahjhan, who Vail considered an enemy. When Angel resisted, Vail threatened to return Connor's memories. Connor agreed to the fight, but was outmatched since his formidable fighting skills had been erased. Meanwhile, Wesley discovered Angel's deception thanks to Illyria's revelation that Fred's memories had been altered, and confronts him at Vail's. No longer trusting Angel, and wondering if 'restoring' reality would bring Fred back, he shattered the Orlon Window, a magical artifact holding the memories of Connor's original existence, which upon breaking, restored the memories of those present when the window broke, thus allowing Wesley and Illyria to remember the original course of events and enabled Connor to kill Sahjhan. Even though his memory was restored, Connor said goodbye and returned to the Reilly family, not mentioning the truth about his restored memory to his father, although a brief comment he made about his father teaching him to do what you have to in order to protect others hinted at his awareness and acceptance of what Angel had done to him.
- "Come on. You drop by for a cup of coffee, and the world's not ending? Please."
- ―Connor to Angel[src]
On the eve of his final battle with the Circle of the Black Thorn, Angel visited Connor for coffee. Connor revealed that he knew Angel was his father and was grateful for all he had done for him, but preferred to leave it at that. Later, when Angel fought Marcus Hamilton, Connor showed up to fight by his father's side, saving Angel from being staked by Hamilton. The two fought together, but even with Connor's help, Angel was no match for Hamilton, and Connor was knocked out. However, shortly afterward, Angel finally defeated Hamilton when the latter accidentally exposed his own weakness. As the Senior Partners began to exact their vengeance, Angel told Connor to go home and that as long as Connor was safe, the Partners could never destroy him.
Fall of Los Angeles
After the Senior Partners sent Los Angeles to Hell, Connor provided humans and good demons sanctuary with the help of the benevolent werewolf Nina Ash and the mutant Gwen Raiden, who he had begun a relationship with. He also partnered with Spike and Illyria, who posed as the Demon Lords of Beverly Hills. During their time in hell, Spike worked with Connor in saving people and they built what Connor described as a relationship between a boy and a weird uncle. Spike often spoke to Connor about his battles, seemingly training him and becoming someone who Connor went to for relationship advice.
Connor actively killed multiple demons, sometimes alongside his father. After the team moved back into the Hyperion Hotel, Illyria told the others that Angel was no longer a vampire. Angry with his father for being lied to, Connor left and was forced to pit Angel's dragon against Gwen when he realized that she was loyal to Charles Gunn, who was now a vampire. Gwen subsequently gave her life to hold off Wolfram & Hart's army. Connor returned after Angel had been mortally wounded in a fight with Gunn and kicked Gunn out of a window before convincing a dying Angel to trust in himself and keep fighting to live. After Gunn caused Illyria to revert to her true form, Connor, the wounded Angel, and Spike were the only champions left standing. Connor was mortally wounded by Gunn when Gunn tried to prevent Connor, Angel, and Spike from stopping Illyria. He died in his father's arms, but not before reassuring Angel that he was a good person regardless of whether or not he was a human or a vampire.
- "I need you to promise me something. And you gotta do it, because it's like, a last request. No matter what happens, Angel, don't let them win. You're a good man. Vampire or not - you're a good man."
- ―Connor's final words.[src]
After Angel died and time was restored, Connor arrived at the hospital and reunited with a tearful Angel. Connor remarked how cool it was that Angel was a celebrity, despite Angel's hesitation.
Following Angel's time as Twilight, he relocated to London and cut off ties with Connor despite Connor's attempts to call him, reasoning that Connor was better off without him in his life due to the damage that Angel had caused him in the past. Angel, however, had been keeping tabs on Connor, knowing that he was in school, had a girlfriend, and was happy for the most part. Angel was, however, unaware that the end of magic had also undid the reality alteration that gave Connor a normal human life and family; Connor now remembered his fake memories in the sense that one would recall watching "an old movie seen a long time ago," while the Reillys did not remember him at all. However, Connor had gained enough new memories since then to prevent from regressing back to his previous state of insanity.
After hooking up with Angel and Faith in London during her quest to reverse the end of magic, Willow claimed that she needed Connor to actually do so; in order to regain her magic, she needed to travel to another dimension where magic still existed and 'soak up' the energy from there, but the only dimension that could still be accessed from this world was Quor'toth as there were never any portals to Quor'toth in the first place, and a ritual that she had found requiring something from the target dimension to access it in the first place, requiring Connor due to the time he had spent in that world. After seeing Willow's desperation and inner turmoil, Angel reluctantly agreed to the plan, but made it clear to Willow that it was Connor's choice to go along with it.
Making their way to L.A., Angel, Willow, and Faith, accompanied by Gunn, drove to Connor's school just as he got out of his psych class, and they reunited. Though Connor was confused and hurt that Angel distanced himself from him, he nonetheless assured his father that, though he did have a good life and that his place was here, he didn't want Angel to hide from him ever. Already aware of Willow's plan to travel to Quor'toth, Connor readily agreed to help despite Angel's objections, stating that Willow was right and that Earth needed magic to survive. Returning to the Hyperion, Willow carved several sigils in Connor's chest with the Scythe as part of the ritual. Willow succeeded in charging her magical reserves and opened a portal to the World Without Shrimp to continue her quest, though Connor chose to stay behind in Quor'toth to help out a cult that worshipped him and his legend. It was also revealed by Connor that his fake memories with his fake family were disappearing, but nevertheless tells Angel that he's grateful for what he did and understand a lot better now.
During his time, Connor realized more about his father and admitted to Angel that he loved him as well as calling him "Dad". Forced to fight against the Old One named Quor'toth, they managed to survive the ordeal, only for things to get even more complicated as Connor and the others are faced with Willow, who was starting to develop veins and black eyes once more because of the dark magic.
After Willow resolved to fight due to Angel's encouragement, she ended up fully turning "dark", attempting to attack Connor who had. at the time. been trying to lead his followers to Earth. However, she was soon stopped by Angel biting her and consequently reverting her back to her normal self despite his father briefly struggling with the dark magics as well. His followers were transported to the World Without Shrimp thanks to Willow and Connor himself returned to Los Angeles with Angel and Faith. Connor and Angel once again make up, Angel promising to contact him more often now and he quickly returned to his college life. 
Personality and traits
As a result of his harsh upbringing and the brutal training he endured from Holtz, Connor initially emerged from Quor'toth with several mental and emotional problems, as well as an intense hatred of Angel thanks to Holtz's manipulations. Though impressed with Angel's nobility and heroic attitude after the initial hostility of their first meeting, Connor was nonetheless quick to assume that Angel murdered Holtz, and after trapping him under the sea, joined Angel Investigations for the sole purpose of ensuring that Angel would not be found and that Gunn and Fred would not know that he was behind his disappearance (though he failed on both counts thanks to Wesley); when confronted by Gunn and Fred, Connor made it clear that he did not regret doing so and refused to acknowledge Angel as his father, and continued to insist that Angel "deserved it" after discovering the truth behind Holtz's death. Also as a result of his upbringing under Holtz, he was openly prejudiced against vampires and demons despite being half-demon himself, calling Lorne a "filthy demon" to his face and attacking Cordelia with a knife the minute he discovered she was a half-demon.
However, Connor slowly came to realize that Holtz had been wrong about Angel and began to develop a more friendly relationship with him, even beginning to address him as "Dad." Unfortunately, Jasmine's manipulations subsequently drove him over the edge and led him to nearly commit suicide while taking others with him as he felt that the world was too harsh for anyone to live in, though the subsequent reality alteration done by Cyvus Vail restored him to a more stable and sociable person.
After his memories were restored and he returned to Angel Investigations, Connor developed into a more heroic figure much like his father. Following the Twilight crisis and the end of magic, Connor recognized the cons of the Seed's loss outweighed the pros and that the Earth was slowly but surely dying, and readily agreed to Willow's plan to travel to Quor'toth to restore magic as a result. With magic lost, his false memories were also lost- Connor remembered his new life only in the same sense that someone would recall watching a movie-, although he has developed enough good memories thanks to Angel since then to prevent him from regressing back to his original psychotic state.
Powers and Abilities
Connor possesses the typical abilities of a vampire: superhuman strength, speed, durability, recuperation, and heightened senses. However, his abilities and status are more comparable to those of a Slayer; he is unaffected by traditional vampire weaknesses such as sunlight and holy items, has no need to drink blood and can subside on normal human food, and cannot assume a vampire's "game face." He has been bested in battle by both Faith and Angel, but he is still stronger than most vampires and many forms of demons, even those from Quor'toth. An example of his strength is he was able to land a hit on Marcus Hamilton that momentarily stunned him, albeit after he caught him off-guard when Hamilton was shown to be very hard to injure in any way. However, Connor was no match for him when he was expecting his attacks even with his strength. Furthermore, he shattered Jasmine's head with a single punch whereas Angel was unable to cause her any long-term damage, though it is likely that his connection to Jasmine enabled him to do so.
As he lacks the vampires' undead nature, there is a limit to just how much damage his living body can endure and heal. Though stab and gunshot wounds can prove life-threatening to Connor, he is still incredibly resistant to blunt force trauma:
- After his first encounter with the Beast, the Jasmine-possessed Cordelia discovered a large bruise on his upper torso and assumed it to be broken ribs, to which Connor remarked that he had never broken a bone before and didn't even know he could.
- Later, when the Beast threw him out of a sixth-story window while the sun was being blocked out by the Ra-Tet eclipse spell, Connor asked Cordelia if things were supposed to go dark when someone loses consciousness, implying that he had never done so before. (At least not gradually, anyway.)
In addition to his innate powers, Connor was trained by his foster father, Daniel Holtz, in hunting and in both unarmed and armed combat. However, unlike the technical skills displayed by the Slayers and Angel, Connor generally relies more on a brute force approach, his usual combat strategy based around hitting his opponents fast and beating them into submission, leaving him at a disadvantage when faced with more sophisticated combatants. Although he once defeated Angel in a fight, it should be noted that he was using a taser at the time, and also had the advantage that Angel wasn't expecting him to attack, and didn't want to hurt him back. During a later fight, Connor was defeated by Angel even when his father had lost his memories and thought he was a teenager, and was fighting on instinct. Connor's subsequent victory over Sahjhan was only aided by the fact that he took Sahjhan by surprise with the sudden return of his original memories. Following his return to Angel Investigations, he had begun to develop into a more competent leader, although he still lacked Angel's experience.
- Sunny — A teen runaway and a heroin addict, she was the first female human Connor had ever met since being taken to Quor-Toth and with whom he shared his first kiss after protecting her from a drug dealer named Tyke, although she subsequently died of an overdose after providing him with new clothes.
- Cordelia Chase — Connor developed an affection for Cordelia when they lived together after Cordelia returned from the higher planes with total amnesia. After she regained her memories, a possessed Cordelia seduced Connor and he loses his virginity to her; as a result, the pair became the "parents" of the being known as Jasmine, 'Cordelia' exploiting Connor's emotionally-unstable psyche to turn him against his father. After regaining his memories, Connor reflects on how disturbing it was that his first time was with his surrogate mother.
- Faith Lehane — Connor was instantly attracted to Faith's toughness and fighting skills, but her refusal to give up on Angel clashed with his willingness to stake Angelus, culminating in the two of them coming to blows when Connor was tricked into nearly staking Angelus before Willow could restore his soul.
- Tracy - Connor's new dad made reference to a girl named Tracy and asked if they were going to the same college, suggesting the two were romantically involved. One of his siblings commented (by way of an insult) that she was a vegan.
- Illyria — When the two met, Illyria sensed that Connor was lusting after her, prompting Connor to claim he'd always had a thing for older women, to which Angel mumbled "they were supposed to fix that" under his breath.
- Gwen Raiden - During Los Angeles' time in Hell, Connor began dating Gwen, although with problems because of Gwen's electric nature. This relationship came to an end after Los Angeles returned to Earth, due to her betrayal of the team for Gunn.
- Natalie - Connor's current girlfriend who he has been dating for three months, describing her as "special" despite it being early in their relationship.
- Daniel Holtz - After being kidnapped by Holtz as an infant, Connor was taken to Quor'toth with him and raised from infancy. Despite his harsh and brutal upbringing and inhumane training, Connor grew to love Holtz as a father. However, upon their return to Earth, Holtz proceeded to commit suicide in a manner simulating a vampire attack to frame Angel for his death, knowing that Connor would blame Angel.
- Willow Rosenberg - Willow met Connor when journeying to Los Angeles to ensoul Angelus, who had recently been let lose. She showed no surprise at seeing Angel had a son (already told over the phone) and upon introduced, had quipped "So the sneer's genetic? Who knew." However, they had briefly been on opposing sides due to Connor's efforts to kill Angel but in the end he had failed. Willow later reunited with Connor as she had needed him to help her open a rift in Quor'toth, which he had heartily agreed to. Willow and Connor appear to have a friendly relationship, as Willow had described him as an amazing guy and was visibly shaken that she had to injure him with the scythe in order for the ritual to work. Willow hugged Connor when they finished their journey in the dimension, thanking him for seeing the problems since the end of magic and reassuring herself that she wasn't crazy. She genuinely told him to be happy and that he deserved it, before leaving to bring magic back. 
Behind the Scenes
- Between "Home" and "Origin," the only people known to remember that Angel had a son were Angel, Lilah Morgan, Eve, Hamilton, Cyvus Vail, the Senior Partners, and Cordelia; after this, Wesley and Illyria definitely knew who he was, with the other members of Angel Investigations learning his true identity after Los Angeles returned from Hell; Gunn expressed ignorance of Connor's identity when he fought Connor while he was transformed into a vampire. The move of L.A. to Hell seemed to affect the memory-altering spell; as Connor remarked, nearly everyone he met knew he was Angel's son.
- It's unknown whether Buffy ever had knowledge that Angel had a son. Although both Willow and Faith knew of and met him—Willow expressing knowledge of Connor's identity just after hearing his name—they are never shown mentioning him to anyone back in Sunnydale. In fact, when Buffy asked how Angel was doing back in L.A., Faith completely omitted Connor from her run down of events.
- Connor could be considered the Buffyverse version of a dhampir, or human-vampire hybrid, as he possessed powers similar to vampires, but not their weaknesses. Although, traditionally, dhampirs were the children of a vampire and a human.