You can use the Smash Brothers Gamecube adapter in portable mode with a USB C adapter (Rumble works too) : r/NintendoSwitch
GameCube controller - SmashWiki, the Super Smash Bros. wiki
Confirmed: The Wii U GameCube Controller Adapter will not work on DDR, Active Life, or Cyberbike | Gaming.Fit
8Bitdo GBros (Wireless Switch Adapter for Gamecube Controller) - us.MaxGaming.com
WHOA! GameCube Adapter Works on Nintendo Switch! - We Show it Off! - YouTube
Nintendo GameCube Controller Adapter For Super Smash Bros Wii U for sale online | eBay
raphnet. - Gamecube controller to N64 adapter (v3)
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
NEW Official Nintendo GameCube Controller Adapter Switch WiiU Super Smash Bros. iuu.org.tr
For Gamecube Controller Adapter For Nintendo Switch Wii U Pc 4 Ports With Turbo And Home Button Mode No Driver - Accessories - AliExpress
Eight Player GameCube Adapter Is Ready For Smash | Hackaday
PowerA GameCube Style Wired Controller for Nintendo Switch | Nintendo Switch Wired controllers. Officially licensed. | PowerA
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Wii U Gamecube Controller Adapter〔USA〕 Brook Gaming - Official Brook Gaming Store
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
/cdn.vox-cdn.com/uploads/chorus_asset/file/13396437/2_Gbros___Super_Smash_Bros.jpg "This Nintendo Switch adapter turns your GameCube controllers wireless - The Verge")
This Nintendo Switch adapter turns your GameCube controllers wireless - The Verge
GameCube® Controller Adapter - XYAB
Nintendo Official Wii U GameCube Controller Adapter BRAND NEW SEALED! 45496891619 | eBay
Amazon.com: Gamecube Adapter for Nintendo Switch Gamecube Controller Adapter and WII U and PC, Super Smash Bros Gamecube Controller Adapter. Support Turbo and Vibration Features with 180cm Long Cable : Video Games
Best Nintendo Switch GameCube Controller Adapters | Digital Trends
Unboxing Official GameCube Controller and Adapter for Switch! - YouTube
Amazon.com: GameCube Controller Adapter : Video Games
How to Use the GameCube Controller With Nintendo Switch | Support | Nintendo
GameCube controller - Wikipedia
Nintendo GameCube Controller Adapter - Imported from Japan (Nintendo Switch) - Walmart.com
Your old GameCube controllers now work with the Nintendo Switch | Ars Technica
GameCube Controller Adapter | Switch GameCube Adapter
Switch Gamecube Controller Adapter, Super Smash Bros Gamecube Adapter for Nintendo Switch, Wii U and PC USB with 4 Ports - Plug & Play, No Drivers Needed - Newegg.com
