vilcome Controller Adapter for Gamecube, Super Smash Bros Switch Gamecube Adapter for Gamecube Nintendo Switch, Wii U and PC USB with 4 Ports, No Drivers Needed 4.5 out of 5 stars 50 $11.99
https://www.amazon.com/MAYFLASH-N64-Controller-Adapter-Pc/dp/B002B9FIUU