Amazon.com: Super Smash Bros. GameCube Adapter for Wii U : Nintendo Gamecube Controller Adapter: Video Games
Raphnet makes an adapter cable that converts a classic controller (Wii classic, Wii classic pro, NES classic, SNES classic) into a GameCube port. If you can't stomach paying $200 for the Hori
4-Port Controller Adapter for GameCube® Compatible with Nintendo Switch® / Wii U® / PC/ Mac®
Wii U Gamecube Adapter (Violet) for Windows, Wii U, Android
GTron Adapter | RetroRGB
Mayflash GameCube Controller Adapter for Wii & Wii U (Dual Pack), White - Walmart.com
Controller Adapter for NES to NES Classic Edition - Stone Age Gamer
TTX Tech GameCube Controller Adapter for Wii U and Switch - Micro Center
raphnet. - Gamecube controller to Wiimote adapter
Amazon.com: pdobq Gamecube Controller Adapter for Nintendo Switch / WII U / PC. Super Smash Bros Switch Gamecube Adapter. 4 in 1 Plug and Play Game Cube Adapter : Video Games
raphnet. - Classic controller to Gamecube/Wii adapter
raphnet. - Gamecube controller to Wiimote adapter
Nintendo Wii / WiiU / Switch / PS4 Game Controller to Nintendo Switch PS4 PC X-Input Super Converter Adapter - Brook - Stone Age Gamer
Amazon.com: Gamecube Adapter for Nintendo Switch Gamecube Controller Adapter and WII U and PC, Super Smash Bros Gamecube Controller Adapter. Support Turbo and Vibration Features with 180cm Long Cable : Video Games
Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
raphnet. - Classic controller to Gamecube/Wii adapter
raphnet. - Classic controller to Gamecube/Wii adapter