GameCube/Wii JoyBox (PS2 controller or Dance Pad to GameCube/Wii) - FutureMax
3 in 1 Converter Playstation 2 to PC USB, Gamecube and Xbox Adapter Review HD1080p - YouTube
Yamaha Controller Converter use Playstation 2 Controller on Nintendo GameCube | eBay
Buy GameCube GameCube JoyBox PS2 / PlayStation Controller Converter | eStarland.com
Gamecube 4-Port Controller Adapter TTX - World-8
Original Xbox controller for GameCube games!! | GBAtemp.net - The Independent Video Game Community
Red Octane Sony PS2 Universal Controller Adapter GameCube, PC, Xbox, USB | eBay
MAYFLASH PS2-PSX JOYPAD CONNECTOR ADAPTER TO GAMECUBE ADAPTOR (GC) - GCTECH
PlayCube Controller Adaptor Review - Review - Nintendo World Report
Tested out some PS2 controller adapters with the Brooks PS3 and PS4 adapter here are my results : r/originalxbox
raphnet. - Gamecube to USB adapter - V3
X-Arcade 5in1: Wii, PS2, PS1, Gamecube, Dreamcast (NOW INCLUDES GAME CONSOLE/SERIAL CABLE)
GameCube/Wii JoyBox (PS2 controller or Dance Pad to GameCube/Wii) - FutureMax
$5.24 Playstation 2 to Wii & GameCube controller adapter - SuperGadgets.ca
Thrustmaster GameCube PS2 Adapter ⭐ GameCube - RetroNintendoStore.com
Generic PSX to Gamecube Joypad Converter part 1 - Compatibility - YouTube
Extension Cable For Sony Playstation PS1 PS2 Slim Line Controller Gamecube Wheel Gun Adapter - AliExpress
OSTENT PS1 PS2 to PC USB 2.0 Controller Adapter Converter for Sony PS2 – OSTENT Official Store
PS2 to PS3 & PS4 Controller Converter P4-SBK - Videogamesnewyork
Gemini PlayStation 2 Controller Adapter Converter for the Original Microsoft Xbox and Nintendo GameCube - Walmart.com
PS2 to GameCube Controller Adapter - How well does it work? | GBAtemp.net - The Independent Video Game Community
