How to Use a Gamecube Controller on a Wii: 5 Steps (with Pictures)
Just Got One of Those Gamecube Controllers That Plug Into the Wii Remote. What's the Difference Between These and the Actual Gamecube Controllers? : r/smashbros
How to Connect a GameCube Controller to the Wii - Howchoo
Amazon.com: Mayflash GameCube Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
How to Use a Gamecube Controller on a Wii: 5 Steps (with Pictures)
Amazon.com: Official Nintendo White Classic Gamecube Controller : Video Games
Nintendo Support: How to Use Nintendo GameCube Controllers
Official Nintendo GameCube Controller Pad GC Switch Wii Tight Stick Japan Import | eBay