But currently don't exist.

Freys I Know

House of Frey from A Game of Thrones and A Storm of Swords + Bruce McCullough's "Daves I Know" = "Freys I Know"

Peek-A-Chu

Pikachu + Siouxsie Sioux & the Banshee's song "Peek-A-Boo" = Peek-A-Chu.

What else should there be? Should someone alert Weird Al?