My Little Pony/Calvin and Hobbes

Cast: (if you can think of something that would fit better, feel free to add it!)

Twilight Sparkle as Calvin Spike as Hobbes Twilight's parents as Calvin's parents Fluttershy as Susie Derkins Either Gilda or Trixie (I can't decide who would fit better) as Moe Princess Celestia as Mrs. Wormwood Princess Luna/Nightmare Moon as Rosalyn

More ideas?