8BitDo GBros
Amazon.com: Super Smash Bros. GameCube Adapter for Wii U : Video Games
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
Wii U 4 Port Gamecube Controller Adapter
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
GCHT GAMING Adapter for Gamecube Controller Hungary | Ubuy
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
Gamecube Controller Adapter for Wii U - Solaris Japan
GameCube Controller Adapter for Wii U, PC USB & Switch - NEXiLUX | eBay
Amazon.com: Mayflash GameCube Controller Adapter for Wii U and PC USB, 4 Port 2-Pack : Video Games
Retro-Bit LegacyGC Wired Controller – Rondo Products
Amazon.com: Super Smash Bros. GameCube Adapter for Wii U : Video Games
Gamecube 4 Port Controller Adapter for Wii U And Switch by Mars Devices - Walmart.com
GameCube® Controller Adapter - XYAB
Amazon.com: GameCube Controller Adapter for Wii U, PC USB & Switch - NEXiLUX : Video Games
Nintendo Wii U Original OEM GameCube Controller Adapter tested | eBay
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
Mayflash GameCube Controller Adapter for Wii U, PC USB and Switch, 4 Port - Walmart.com
UPDATE: GameCube Controller Adaptor Is Smash Bros. Specific - IGN
Wii U 4 Port Gamecube Controller Adapter
Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
GameCube® Controller Adapter - XYAB
GameCube® Controller Adapter - XYAB
Hori Battle Pad for Wii U Review
Does anyone have any experience with the Brook Gamecube Wii U Controller Adapter : r/DolphinEmulator
Wii U 4-Ports GameCube Controller Adapter - Tomee - Walmart.com
