GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
UPDATE: GameCube Controller Adaptor Is Smash Bros. Specific - IGN
Panda on Twitter: "The Ultimate Gamecube Adapter has all the features you could want in a Nintendo Switch dock and a Gamecube Controller Adapter combined, and it's also the perfect solution to
The Panda Controller won't replace the original Gamecube controller - Inven Global
TTX Tech GameCube Controller Adapter for Wii U and Switch - Micro Center
XYAB Ultimate Nintendo NGC GameCube Joystick Controller - Gold - Walmart.com