8. Mike Tyson wants to eat your kids and bite off your ear!

Mike TysonEvander HolyfieldCharlie Sheen
Just another case of Tyson being Tyson, as Mike would bite at the ear of Evander Holyfield during his Title fight. But no one, not even Charlie Sheen has marketed being crazy as well as Tyson has. How epic was that cameo in the first Hangover?!