- "Frederick and Hans Gruenshtahler. Wanted in Germany for capital murder, terrorism, the bombing of flight 1402."
- ―Allan Finch[src]
The Gruenstalher Twins, Frederick and Hans, were a pair of human terrorists wanted in Germany for capital murder, terrorism and bombing of flight 1402. They were led by the Old Man during SlayerFest '98, during which they met their demise when they shot each other by mistake.
Behind the Scenes
- They were portrayed by Jerym Daube and Joseph Daube.