Do I need a Gamecube controller to play on the Wii?

how can I play a gamecube game on wii without a gamecube controller

Why does the Wii not recognize or play some gamecube games, sometimes?

If I wanted to play a Gamecube game on my Wii, do I need a separate Gamecube controller? Will the classic controller work?

I know you can play gamecube games on the wii system, but can you play wii games on the gamecube???

I have just found out you can play gamecube games on the wii but can you play wii games on the gamecube ???

is it true that the wii can play gamecube games

In Sonic Unleashed For Wii,do you need a Wii classic controller,gamecube controller. Or can I just use the nunchuk?

What is the differnece between wii sports and wii play?

How do I play game cube games on my wii?

Are some games for the Wii incompatible with the Wii's classic controller?