Switch's 4.0.0 update now allows for GameCube controller support with Wii U GameCube Adapter
Nintendo Switch vs Wii U - What's different?
Xbox 360/Xbox One to Wii U Super Converter - Brook Gaming
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:max_bytes(150000):strip_icc()/wii-u-585be29f3df78ce2c3062d37-936efeb52f79429c81091abe7185ff60.jpg "Is the Wii U a Portable System Like the Nintendo 3DS?")
Is the Wii U a Portable System Like the Nintendo 3DS?
Wii U GamePad - Wikipedia
Amazon.com: 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
How To Use Xbox One and Wii U Pro Controllers On Nintendo Switch! - YouTube
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Amazon.com: Old Skool Wireless Pro Controller Game Pad for Nintendo Wii U - Grey : Video Games
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PRO Controller for Nintendo Wii U (3rd Party) - China for Wii U Controller and for Wii U Accessories price
Amazon.com: Nintendo Wii U Pro Controller - Black : Varios: Video Games
How to Use a Wii U Pro Controller on the Nintendo Switch (Quick Version) - YouTube
Nintendo Support: How to Sync a Wii U Pro Controller with a Wii U Console
Nintendo Wii U Pro Controller - Black : Varios: Video Games - Amazon.com
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Wii U Console: Frequently Asked Questions
Nintendo Switch Vs Wii U: What's The Difference?
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Nintendo Switch vs. Wii U
Amazon.com: Wii U Pro Controller - White : Video Games
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Amazon.com: Hyperkin 4-Port Controller Adapter for GameCube Compatible with Nintendo Switch/ Wii U/ PC : Video Games
NES, SNES, N64, GC, Wii, WiiU...All Nintendo Controllers working on the Switch - YouTube
