Desktop Type Runner Keyboard for Wii U Gamepad - Familiar comfort and easy integration for the Wii U Gamepad. (Polycarbonate Keyboard) – BoxWave
So I recently found out that Logitech made a wireless keyboard for the Wii and even though it's pretty much useless these days, I knew I had to pick one up because
Mad Catz Rock Band 3 Wireless Keyboard - Musical keyboard - wireless - for Nintendo Wii - Walmart.com
A Look At Dragon Quest X's Graphics And Virtual Keyboard On Wii U - Siliconera