Amazon.com: Replacement 3D Analog Joystick for NGC GameCube Controller Repair Parts 2pcs/lot : Video Games
CORN Gamecube Controller - Classic USB Wired Game Controller Adapter Pad Gamepad Joystick Accessory for Nintendo for Nintendo Wii GameCube GC Console - Newegg.com
XYAB Ultimate Nintendo NGC GameCube Joystick Controller - Gold - Walmart.com
DIGITAL CONTROLLER COMPATIBLE WITH GAMECUBE & GAMEBOY PLAYER | old-skool
GameCube / Wii Wired Controller (Old Skool) - Stone Age Gamer