WHOA! GameCube Adapter Works on Nintendo Switch! - We Show it Off! - YouTube
Y Team Controller Adapter for Gamecube, Compatible with Nintendo Switch, Super Smash Bros Switch Gamecube Adapter for WII U/PC with 4 Port : Video Games
Unboxing Official GameCube Controller and Adapter for Switch! - YouTube
PowerA GameCube Style Wired Controller for Nintendo Switch | Nintendo Switch Wired Controllers | PowerA
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
GameCube Style Wireless Controller for Nintendo Switch - Purple | Nintendo Switch Wireless Controllers | PowerA
GameCube Controller for Nintendo Wii and GameCube [2 Packs]
Super Smash Bros. Ultimate Accessories: Switch Controllers, Wireless GameCube Adapters, And More - GameSpot