LUXMO Gamecube Controller, Wired Controllers Classic Gamepad Joystick for Game Cube & Wii Wii U Video Game Console - Walmart.com
Amazon.com: Nintendo Super Smash Bros. White Classic Gamecube Controller : Video Games
Wii U's GameCube controller will support more than just Smash Bros. [updated] | VentureBeat
Amazon.com: Super Smash Bros. GameCube Adapter for Wii U : Nintendo Gamecube Controller Adapter: Video Games
Wii U Classic Controller - Tokyo Otaku Mode (TOM)
GameCube / Wii Wired Controller (Old Skool) - Stone Age Gamer
Full controller guide : r/WiiUHacks
Gamecube Controller Adapter for Nintendo Switch | Hand Held Legend
Amazon.com: HORI Battle Pad for Wii U (Mario Version) with Turbo - Nintendo Wii U : Video Games
Confirmed: The Wii U GameCube Controller Adapter will not work on DDR, Active Life, or Cyberbike | Gaming.Fit
Amazon.com: EVORETRO Gamecube Controller Compatible for Switch, wii Console and PC Games - 4 Pack Bundle with 4 Extension Cords and a 4-Port Adapter : Video Games
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
You can now play Switch games using a GameCube controller - Vooks