Nintendo Switch update adds support for GameCube controllers | Mashable
New Gamecube Controllers Coming To Switch? | News Wave Extra - YouTube
GameCube controller - Wikipedia
Nintendo Versus on Twitter: "If you have a GameCube™ controller Adapter, you can use GameCube controllers you already have to play Super #SmashBrosUltimate! In addition, a redesigned GameCube™ controller Super Smash Bros.
Found a brand new sealed gamecube controller at a garage sale today : r/gaming
You can now play Switch games using a GameCube controller - Vooks