Yes, most are a combination of celebrities who have been known for one or more of the flaws that many of the movie characters have. Tug Speedman has been called a younger Sylvester Stallone, Vin Diesel, Steven Segal, Jean-Claude Van Damme, Wesley Snipes. Jeff "Fatts" Portnoy is likened mostly to Eddie Murphy but also to Chris Farley, Martin Lawrence, Tim Allen, Tom Arnold, and, to a lesser extent, it's a slight poke at Robert Downey Jr. with the references to the character's repeated drug arrests. Kirk Lazarus is likened to Colin Farrell, Daniel Day-Lewis, Heath Ledger, Russell Crowe, Robert Downey Jr. himself, Christian Bale, and Marlon Brando. With regard to Alpa Chino, take your pick of rapper-turned-actors. He's mainly a combination of Snoop Dogg, Will Smith and Lil' Jon in regards to Snoop Dogg putting his name on everything, Will Smith taking on a major film role to help boost his record/product sales and Lil' Jon having his own energy drink. Finally, Les Grossman has been likened to Hollywood producer Scott Rudin and also to Harvey Weinstein.