Universal PS2™ Controller Adapter for GameCube, Xbox, Windows
PSX PSX2 compatible dualshock controller adapter for GAMECUBE console PS2 DDR Supported|adapter pentax|control machineadapt pro - AliExpress
Nintendo Switch Pro / PS3 / PS4 / PS5 to PS Classic / PS2 Game Controller Super Converter - Brook - Stone Age Gamer
Gamecube Controller Adapter for Nintendo Switch | Hand Held Legend
raphnet. - Gamecube controller to N64 adapter (v3)
5 Reasons The PS2 Was The Best Console Of Its Generation (& 5 Why It Was The GameCube)
Yamaha Controller Converter use Playstation 2 Controller on Nintendo GameCube | eBay
Controller Option Review: Cubejoybox Playstation 2 to Gamecube Controller Adapter : r/SSBM
Switch Gamecube Controller Adapter, Super Smash Bros Gamecube Adapter for Nintendo Switch, Wii U and PC USB with 4 Ports - Plug & Play, No Drivers Needed - Newegg.com