GAMECUBE CONTROLLER ADAPTER FOR SWITCH (ALSO WII U / PC)
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
Ultimate GameCube Adapter by Panda Hardware — Kickstarter
I figured out a way of connecting GameCube Controllers to Nintendo Switch without the Dock, all you need is a USB to USB C Adapter and Nintendo's New adjustable kickstand that's releasing
Adapter for Gamecube Controller, Super Smash Bros Switch Gamecube Adapter for WII U, Switch and PC. Support Turbo and Vibration Features. No Driver and No Lag & Gamecube Adapter - Walmart.com
4-Port Controller Adapter for GameCube to Switch/ Wii U/ PC/ Mac 813048015505 | eBay
Super Smash Bros. Ultimate Accessories: Switch Controllers, Wireless GameCube Adapters, And More - GameSpot
Amazon.com: GameCube Controller Adapter (Nintendo Switch) : Video Games
Gamecube Controller Adapter. Super Smash Bros Switch Gamecube Adapter for WII U & PC. Support Turbo and Vibration Features. No Driver and No Lag-Gamecube Adapter - Walmart.com
Wii U 4 Port Gamecube Controller Adapter
TTX Tech GameCube Controller Adapter for Wii U and Switch - Micro Center
Gamecube Controller Adapter,4 Port Gamecube Controller Adapter for Wii U Nintendo Switch PC USB Easy to Play Super Smas Bros in stock - Newegg.com
Gamecube to Switch Controller Adapter〔USA〕 Brook Gaming - Official Brook Gaming Store
Amazon.com: Gamecube Controller Adapter for Switch/Switch OLED.Gamecube Adapter Compatible with PC Wii U.Adapter with 4 Ports 6 FT(1.8M) Cable Support Turbo and Vibration Features Super Smash Bros : Video Games