How do you use the gamecube controller on dragon ball z budokai tenkaichi 2 for wii?

Answer 1

On the top of the wii you open the latch and there it is.

well, that is true, but do check on the game case to see if it can be played with it, on the list of usable controllers.

Answer 2

you have to get 5 life stocks then do l+control stick right+c stick down and you need to have the fusion people either on a tag team or free team