I think when Fat Buu transforms to Evil Buu he should have an animation like this
1: Fat Buu steams out a cloud
2:cloud flashes and Evil Buu appears
3:Evil Buu eats Fat Buu (or zaps him into food or kicks him away if you can't animate the eating.)
1: Fat Buu steams out a cloud
2:cloud flashes and Evil Buu appears
3:Evil Buu eats Fat Buu (or zaps him into food or kicks him away if you can't animate the eating.)