Amazon.com: Wii Classic Controller Pro - Black - Nintendo Wii Standard Edition : Video Games
GameCube Wii Compatible Controllers White
Wireless Adapter for Nintendo Switch, Compatible with Nintendo Switch – ECHZOVE
White/black New Classic Wired Game Controller Gaming Pro Remote Game Controller Gamepad Joypad Joystick Compatible Nintendo Wii - Gamepads - AliExpress
Full controller guide : r/WiiUHacks
Joystick Wii U Pro Control | Nintendo Wii U Controller | Nintendo Wii U Console - Gamepads - Aliexpress