Nintendo Wii U GamePad (PNG) by kuyatamayo on DeviantArt

Nintendo Wii U GamePad WUP-003 Replacement Battery: Game

Nyko Power Stand (Black) - Angled charging dock for Wii U GamePad

Wii U GamePad - Inkipedia, the Splatoon wiki

Wii U GamePad Review

I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : r/wiiu

Nintendo almost dropped Wii U GamePad - GameSpot

Nintendo Wii U Pro Controller Review

Nintendo Wii U Gamepad Controller WUP-010 - White

Wii U update lets you shop without the gamepad, enables system transfer

Restored Nintendo Wii U White Gamepad W/ LCD Touchscreen Console Handheld JCX081 (Refurbished)