Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
This third-party Wii U GameCube controller adapter works with PC, too | Eurogamer.net
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 and N64 Multiout to Wii Component Multiout adapter
Gamecube 4 Port Controller Adapter for Wii U And Switch by Mars Devices - Walmart.com
GameCube Controller Adapter for Wii U, PC USB & Switch - NEXiLUX | eBay
Amazon.com: GameCube Controller Adapter for Wii U, PC USB & Switch - NEXiLUX : Video Games
Nintendo Official Wii U GameCube Controller Adapter BRAND NEW SEALED! | eBay
8BitDo GBros
Mcbazel MayFlash 4 Ports GameCube Controller Adapter for Wii U/Nintendo Switch/PC USB - Walmart.com
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Mayflash GameCube Controller Adapter for Wii U, PC USB and Switch, 4 Port - Walmart.com
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Gamecube Controller Adapter Wii U Pc Usb Driver | Use Wii U Gamecube Adapter Pc - New - Aliexpress
Does anyone have any experience with the Brook Gamecube Wii U Controller Adapter : r/DolphinEmulator
Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games