So Nintendont was updated to support the GC adapter for Wii U. This is now possible. : r/wiiu

raphnet. - N64 controller to Wiimote adapter

Anyone else spent most of their time playing GC? : r/WiiUHacks

Nintendont, Page 2017

My beautiful 1tb Modded Wii U : r/wiiu

Nintendont, Page 2017

Teased Wii U Mod Switches Things Up by Outputting TV View on GamePad

Because the Wii U contains a stripped down Wii It Is capable of natively playing GameCube but due to a lack of controller, memory card and a different disc drive that was

Wii Classic Controller on modded Wii is underrated : r/WiiHacks

After modding a few Wii's, I decided to pull the trigger and do the Wii U. What's everyone's favorite apps? : r/WiiUHacks

Connect two GC controllers to a Wii or Wii U system. Built in Turbo. Compatible with all games supported by the Wii Classic Controller, Wii Classic

Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White

Tutorial: How to use your GameCube Controller Adapter for Wii U on the vWii

I did not know that nintendont runs gamecube games better than a regal gamecube :O : r/WiiHacks