Be the envy of portable Smash players with these GameCube and Classic controller mods - Zelda Universe
Simple mod brings classic back to the Classic Controller | Engadget
Amazon.com: PowerLead Controller for Nintendo Switch Pro, Wireless Pro Game Controller for Nintendo Switch Console, Classic Wired Gamepad Joystick for Windows PC: Computers & Accessories
Wii classic controller hack, now with more classic | Engadget
Wii Classic Controller, Video Gaming, Gaming Accessories, Controllers on Carousell
Review for the Wireless Classic Controller - YouTube
Wireless Hack for NES/SNES Wii Controllers | WIRED
Retrotized: Wii Classic Controller LED Mod
GBros. Adapter | 8BitDo
Retro Classic Controller (Controller Pro U) Review for Wii and Wii U Interworks - YouTube
Controller - SmashWiki, the Super Smash Bros. wiki
Amazon.com: My Arcade GamePad Classic - Wireless Game Controller - Compatible with Nintendo NES Classic Edition, Wii, Wii U - Adapter Included - 30 Feet Range - Home Button - Battery Powered - Ergonomic Design: Video Games
Wii Classic Controller to USB Joystick
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 : NintendoSwitch
8bitdo Gbros. Wireless Adapter for Switch Review - The Ellis Workshop
Amazon.com: VTone Wireless Gamecube Controller, 2 Pieces 2.4G Wireless Classic Gamepad with Receiver Adapter for Wii Gamecube NGC GC (Black and Orange): Computers & Accessories
8BitDo on Twitter: "Our Mod-Kits for both original NES and NES Classic Edition controllers can bring you to wireless freedom on all your favorite platforms like Switch, PC, macOS & Android. Available
8BitDo Mod Kit for PlayStation Classic Classic Mini Classic Game Host Original Handle DIY Wireless Bluetooth for sony ps1 mini|Gamepads| - AliExpress