Mayflash 4 Ports For Gamecube Controller Adapter To For Wii U System&pc Usb For Switch W012 - Accessories - AliExpress
Nintendo Switch GameCube Controller Adapter | GameStop.at
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
GameCube Controller Adapter voor Nintendo Switch - Mayflash ⭐ GameCube - RetroNintendoKaufen.de
Does the USB to gamecube adapter work in Wii mode on the Wii U? : r/wiiu