George was one of many people who were transported to a hell dimension along with the entire city of Los Angeles by the Senior Partners, where he was captured by Kr'ph, the Demon Lord of Westwood, and forced to use his powers to make Kr'ph's human slaves kill each other in gladiatorial fights. However, Kr'ph was killed by the vampireCharles Gunn, who then kidnapped Betta George. Gunn used George's skills to allow himself to train against captive Slayers. When George, freed, was reunited with Spike and introduced to Angel, he was the one to inform the team of an enraged Illyria's motives and plans for destruction. Angel instructed George to fill Illyria's mind with Wesley Wyndam-Pryce and Spike's memories of Winifred Burkle, leaving a stunned Illyria to be defeated by a demon army serving the Senior Partners.
George has the power of Telepathy, he has displayed great control over his ability showing us the skill to read people's thoughts, mentally freeze people in their paths, communicating with people over vast distances, transferring memories from one's mind to another and he can make himself look like whatever it is people want to see. His telepathic powers can even affect vampires, who are normally immune to psychic penetration.
Behind the Scenes
The canonicity of George's appearances in Spike: Asylum and Spike: Shadow Puppets are written as deliberately ambiguous; in Angel: After the Fall, he states "I've hung out with vampires", which Brian Lynch claims can be interpreted as a vague reference to his previous encounters with Spike, and later in the series Spike and George reunite as good friends. Later issues see George contact the Mosaic Wellness Center, and other Asylum characters. Lynch says that he writes George as an audience surrogate; "He's supposed to be the most normal character. Because I know that if you have a talking fish hanging out with everyone's favorite characters, people are going to not like him immediately. Because he could be Jar Jar very easily. So I try to make him the nicest, most normal character, and the one who would react like the audience would react." He also denies that Betta George speaks in any particular accent, but advises readers to hear him in their own accent, to help them identify with him.