Marvin Trill is the host of the Area 53 radio program on WCTR radio station in Grand Theft Auto: San Andreas. His radio station is eventually shut down. He also has his own website in GTA IV called Area53site.com in which he states that he will be in a bunker during Y2K and will emerge in 10 years (2009) and tell about his experience underground. He is voiced by Bob Sevra in GTA San Andreas.
- Trill can also be heard as one of the callers on Bounce FM, when he phones the station and asks how to board "The Party Ship" (Bounce FM's nickname) believing it to be an actual spaceship.
- Trill is one of the featured celebrities on the Vinewood Walk of Fame in Grand Theft Auto V.
- He has proof, that historians have ignored, that World War Two didn't happen.