Sack Time - Homebrew Wii U running Gamecube Tutorial (plus bonus collection footage!) - YouTube
How to Download and Setup USB Loader GX and Nintendont on a Nintendo Wii ( Wii and Gamecube Backups) - YouTube
How To] Play Gamecube Games From USB With Modded Wii (Part 2 of 2) - YouTube
Mario Sunshine GC running on WiiU via wii mode through devolution wii-gc homebrew software, being played on WiiU controller screen using gamecube controller. Also plays with PS3 controller. : r/gaming
Homebrew HDD adapter for Gamecube - gc-forever - Gamecube/Wii Forums
How to Play GameCube Games on Your Wii U With Nintendont