raphnet. - X2Wii: NES or SNES controller to Gamecube/Wii circuit (v2)
raphnet. - SNES controller to Wii/Gamecube cable
Amazon.com: My Arcade Super Gamepad - Wireless Gaming Controller for Nintendo SNES Classic, NES Classic, Super Famicom, Wii, Wii U (Super Famicom Colors) : Video Games
SNES controller for Wii / Wii U : r/wiiu
CV | Nintendo Wii Super Nintendo Controller [EU]
How to Play Retro NES and SNES Games on Your Nintendo Wii