Haha, I never would have guessed half of them.. especially Hulk Hogan and Andrew WK.
Lemme explain some of the unbelievable ones, surprisingly most of these can be found through a quick google search. Most of these guys are producing live action movies of an anime or two. With the exception of Keanu Reeves who is starring in one instead of producing it.
Andrew W.K. has covered many many songs from anime, in fact he has an album coming up entitled Gundam Rock.
Kanye West has admitted he likes Shoujo and plays hentai games. See http://nymag.com/daily/entertainment...ing_party.html He also has referenced Akira and Lupin the III by title in his songs like Touch the Sky for example
JDF has stated at various anime cons he frequently goes to his favorite anime
Hayley Williams has cosplayed female leads from Blood: the Last Vampire and Ergo Proxy on staged. /cgl/ **** bricks when they found out.
Jackson Rathbone has stated on his website he's a big fan of animation with Avatar: The Last Airbender and Dexter's Laboratory listed amongst his favorites next to Samurai 7 and Beck.
Also, here's Hayley Williams cosplaying.