User blog comment:The Trumpet player of/Is this relevant ?/@comment-25555436-20150804234802/@comment-4010415-20150805054714

1. Any character is possible, considering the characters aren't always mocapped by their voice actors. In fact, they're probably most often mocapped by people who aren't their voice actors. It's the reason some of the men in the animation department had to learn how to walk in heels.

2. Remember, they use mocap for the casual scenes most of the time, not the action scenes.