GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
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Nintendo Switch / Wii U - Smash Bros Gamecube Controller Adapter - New & Sealed | eBay
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Adapter For Gamecube Controller Compatible With Switch /wii U Super Smash Bros, Support Turbo,vibration Features,four Players - Temu
4-Port Controller Adapter for GameCube® Compatible with Nintendo Switch® / Wii U® / PC/ Mac®
4 Port GameCube Controller Adapter For Nintendo Switch Wii U PC Super Smash Bros | eBay
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Brook GameCube Controller Adapter for Nintendo Switch available at Videogamesnewyork, NY