raphnet. - Gamecube controller to N64 adapter guide
N64/Gamecube controller to USB adapter
Raphnet Nintendo GameCube Controller to Nintendo 64 Adapter - YouTube
raphnet technologies on X: "The new version of our Classic Controller to #N64 adapter is finally available! Like its Gamecube to N64 sibling, it has highly customizable button mappings and a built-in
raphnet. - N64 controller to Wii/Gamecube adapter (v2)