The Nintendo Switch now supports GameCube controllers - The Verge
Does the new Switch version of the GameCube controller work on the original GameCube? I saw in Walmart that it was for the Nintendo Switch and wireless (with a cord). - Quora
Amazon.com: CLOUDREAM Gamecube Controller Adapter for Switch Gamecube Adapter Wii U and PC, Super Smash Bros Choice Support Four Gamecube Controller and 70IN Long Cable : Video Games
Switch support for GameCube controllers reignites Virtual Console, Smash Bros. hopes - Polygon
Can I use my Wii U GameCube adapter on Switch?
Does the USB to gamecube adapter work in Wii mode on the Wii U? : r/wiiu
Super Smash Bros. Ultimate: Does the Wii U GameCube Controller Adapter Work on Switch?
Testing the GameCube Controller w/ a TON of Switch Games (Mario Kart, Zelda, Splatoon 2, & More!) - YouTube
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
Nintendo Switch now has GameCube controller support | GamesRadar+
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
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
GameCube Controller Adapter for Wii U & PC USB for Windows, Wii U