By Breaking Celebrity News Staff

No sleazy stone was left unturned as Charlie Sheen was the center of attention at a Comedy Central roast in his honor this past weekend.

A cast of comedians and stars -- including Grey’s Anatomy star Kate Walsh, Guns N' Rose guitarist Slash, boxer Mike Tyson, Star Trek’s William Shatner and Jackass star Steve-O -- gathered for the Saturday event at Sony Studios in Culver City, California.

They took no-holds-barred slams at the actor's hard-partying reputation, including his admitted drug habit, his firing from Two and a Half Men (the highest-paid gig in TV history); and his former living arrangements with the Goddesses ([expletive] star Bree Olson and model Natalie Kenly).

Sheen sat on stage on a huge throne, surrounded by prop missiles. He was introduced by the night's host, Family Guy creator Seth