Is it possible to connect Nintendo GameCube controllers to a Wii (not a Wii U) with some kind of adapter? If so, can you send a link? - Quora
How to SYNC up GameCube controllers on the Nintendo Switch - YouTube
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
Tutorial: How to use your GameCube Controller Adapter for Wii U on the vWii - YouTube
How to Connect a GameCube Controller to the Wii - Howchoo
HORI HORI Battle Pad Turbo for Wii U (Mario Version) : Amazon.ca: Video Games
How to use the Official GameCube Controller Adapter for Wii U in Dolphin - Dolphin Emulator Wiki
Confirmed: The Wii U GameCube Controller Adapter will not work on DDR, Active Life, or Cyberbike | Gaming.Fit
List of GameCube Controller-compatible Wii video games - Codex Gamicus - Humanity's collective gaming knowledge at your fingertips.
How to Connect GameCube Controllers to the Switch
Keten Gamecube Controller Adapter para Switch, Wii U and USB PC, Control de Gamecube Adaptador para Super Smash Bros,Plug & Play (Negro) : Amazon.es: Videojuegos