Mr. Men/Adventure Time (2010)

More Ideas?
 * Mr. Small (in 1970s, 1980s & 1995) as Finn
 * Mr. Daydream as Jake
 * Frair Tuck (from Robin Hood) as Ice King
 * Little Miss Dotty as Lady Rainicorn
 * Little Miss Chatterbox as Princess Bubblegum
 * Mr. Mean as Lumpy Space Princess
 * Little Miss Trouble as Marceline The Vampire Queen