Amazon.com: Classic Controller for Nintendo Wii : Video Games
Wiimote D-pad Analog Cover - Pure Nintendo
Black Controllers for wii,Classic Console Gampad Gaming Pad Joypad Pro for Wii | eBay
I was having issues with my pro controller's d-pad registering two inputs when only pressing one direction. After some quick surgery replacing the d- pad with a wii one, it works perfectly! :
Wii U GamePad - Inkipedia, the Splatoon wiki
Wireless Classic Pro Controller Joystick Gamepad for Nintend wii U Pro with USB Cable Wireless Controller - AliExpress
Amazon.com: Yosikr Wii Controller 4 Pack, Wii Remote Controller with Silicone Case and Wrist Strap Compatible for Wii/Wii U Console - White+Black+Blue+Red : Video Games
Amazon.com: Yosikr Wii Controller 4 Pack, Wii Remote Controller, with Silicone Case and Wrist Strap, Remote Controller for Wii/Wii U - 4 Packs Pink+Deep Blue+Blue+Red : Video Games
LUXMO 3 in 1 Classic Controller for Nintendo Wii/Wii U/NES Classic Edition (NES Mini), Classic Console Gamepad Gaming Pad Joypad for Nintendo Wii Wii U (Black) - Walmart.com
Wii controller by Fran Gaur | Download free STL model | Printables.com