Gamecube to Switch Controller Adapter〔USA〕 Brook Gaming - Official Brook Gaming Store
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
Gamecube Controller Adapter for Nintendo Switch | Hand Held Legend
Mayflash GameCube Controller Adapter for Wii U and PC USB (4 Port) - Walmart.com
Wii U Gamecube Adapter (Violet) for Windows, Wii U, Android
GameCube® Controller Adapter - XYAB
4-Port Controller Adapter for GameCube® Compatible with Nintendo Switch® / Wii U® / PC/ Mac®
Amazon.com: Y Team Controller Adapter for Gamecube, Compatible with Nintendo Switch, Super Smash Bros Switch Gamecube Adapter for WII U/PC with 4 Port : Video Games
Retro Controller Adapter for Nintendo Switch™ – Nyko Technologies
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