j.j. simmons was in the middle of a world tour where he was collecting trophies including an oscar for his role as a music teacher. >> and he's playing a different kind of villean, an animated yak with a centuries old ax to grind in "kung fu panda 3." take a look. >> i have returned. >> who? >> kai, general kai, supreme warlord of all china. >> the jade slayer. master of pain. >> eh. >> okay. i used to work with ugway. >> a mast every warrior. >> clearly a well-known villain. >> he's pretty good. >> j.k. simmons, good morning. >> good morning. and seeing you in animation, but once again you play a villean. what's the deal? you're such a nice guy. >> i do. well, you know, that's part of the fun of doing what i do. get to mix it up. good guys, bad guys. >> yeah. >> a little bit of everything. >> bulls, yaks. >> you play a good yak, as i must say. al roker and i have -- i'm going to call it starring roles in this film. >> oh, please. >> yeah. yeah. >> you've gone on and on and how they killed it. >> we may not be in the move, but we're stars of the film. what do you like about doing the anima