LUXMO Wired Gamecube Controller, Classic Gamecube Wii/Wii U Controller Gamepad Joystick for Gamecube Console - Walmart.com
Wii U's GameCube controller will support more than just Smash Bros. [updated] | VentureBeat
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
Nintendo Controller for GameCube (Styles May Vary) | GameStop
Hori Luigi Classic Controller Wired Controller For Nintendo Wii/Wii U - Walmart.com