Don't forget Kenny McCormick and Kenny Rogers.
We also have Mario Lopez, Doug Bowser, the restaurant named Wendy's, Ludwig von Beethoven, King Kong, Zelda Williams, the Iron Sheik, Fox from Bloody Roar, the Blue Falcon, George Lucas, Lucas Barton, Roy Mustang, Roy Campbell, Hannibal Roy Spleen, Mike and Ikes, Ike Eisenhower, Ike Broflofski, Batman's sidekick Robin, Nico Robin, Robin Hood, ALF, Rob Schneider, Rob Zombie, Snake/Iroquois Pliskin, Snake from The Simpsons, Snake from Powerpuff Girls, Sonic the restaurant, Mega Man from South Park, Ripley from Alien, Google Chrom, Isabelle from Phineas and Ferb, a Mythra from Final Fantasy 11, Simon the Chipmunk, Batman's arch-nemesis Joker, Terry McGinnis, Steven Universe, Alex from Totally Spies, and Alexis Rhodes from Yu-Gi-Oh! GX.
Actually, there is real propaganda in the game, such as the cult that the devs created to spread hate against Christians.