Charlie Sheen "looking forward" to getting roasted

(CBS) Charlie Sheen isn't feeling too nervous about being on the receiving end of insults at his upcoming Comedy Central roast.

"It's not like you can take any of it personally," he tells Entertainment Tonight. "I'm actually looking forward to how creative they can get to zap and zing me."

Pictures: Charlie Sheen
Pictures: Sheen's ups and downs

The actor's roast will air on Sept. 19., which is the same night Ashton Kutcher makes his debut as Sheen's replacement on "Two and a Half Men." The roast will be emceed by "Family Guy" creator Seth MacFarlane.

Sheen, who was fired from the CBS show in March, is set to return to TV in "Anger Management," a new sitcom loosely based on the 2003 film that stars Adam Sandler.

"I've got my work brain back in my head," Sheen says. "Welcome back work brain, I missed you."

The "Comedy Central Roast of Charlie Sheen" will air on the network on Monday, Sept. 19. at 10 p.m.