Mayflash GameCube Controller Adapter for Wii U & PC Review - YouTube
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: Brook Gamecube to Wii U Controller Adapter - Support Gamecube Controllers Adapter for Wii U and PC USB Android, up to 8 GC Controllers in The Same time (MAX), Turbo fire
Amazon.com: Gamecube Controller Adapter for Switch/Switch OLED.Gamecube Adapter Compatible with PC Wii U.Adapter with 4 Ports 6 FT(1.8M) Cable Support Turbo and Vibration Features Super Smash Bros : Video Games
GameCube Controller Adapter for Wii U and PC USB Two ports
PN Review: Mayflash GameCube Controller Adapter for Wii U and PC - Pure Nintendo
GameCube Controller Adapter 4 Port Compatible with Nintendo Switch Wii U & PC USB