Classic Controller Nintendo Wii/Wiiu/Nes Classic Edition (Nes Mini),Classic Console Gamepad Gaming Pad Joypad - Walmart.com
Nintendo Support: Which Controllers Are Compatible With the NES Classic Edition?
Best Buy: My Arcade GamePad Classic Wireless Controller for NES Classic Edition, Nintendo Wii and Nintendo Wii U Gray/Black/White 845620029273
SNES Classic Controller for Wii - Nintendo Wii / Wii U - AtariAge Forums
The SNES Classic & Wii Classic Pro controllers both work on Mario Maker 2 using the 8BitDo Gbros Adapter, both have ideal dpads and feel right at home : r/NintendoSwitch
Amazon.com: 4 in 1, iNNEXT Classic Controller for Wii/NES Classic Edition ( NES Mini) / SNES Mini, Classic Console Gamepad Gaming Pad Joypad for Wii (White) : Video Games
The mini NES Classic controller works with your Wii U Virtual Console games - Polygon
SNES Classic controllers work with NES Classic, and vice versa - Polygon
Amazon.com: iNNEXT Classic Controller for Wii/NES Classic Edition (SNES Mini), Classic Console Gamepad Gaming Pad Joypad for Wii (Black) : Video Games
Yes, SNES Classic controllers work with the NES Classic (and vice versa) - SlashGear
Amazon.com: Club Nintendo Wii Super Famicom Snes Classic Controller : Video Games