As President Trump gets his long-overdue roasting from Trey Parker and Matt Stone, here's a look at more of the Comedy Central series' most outrageous and hilarious celeb moments. By Kevin Dolak For ...

Cain and Abel, Batman and the Joker, and Jerry Seinfeld and Newman all come to mind when you think of classic rivalries across our collective history, but there's one rivalry that needs to be unpacked ...