Principal Greedyguts (47 episodes, 2003-2006)
Florence (30 episodes, 2003-2006)
Emma (30 episodes, 2003-2006)
Renee (30 episodes, 2003-2006)
Sour Pickles / Sour Pickle (30 episodes, 2003-2006)
Jacob (29 episodes, 2003-2006)
Marfa (29 episodes, 2003-2006)
Leo Louse (28 episodes, 2003-2006)
Noah (23 episodes, 2003-2006)
Buford (18 episodes, 2003-2006)
Daniel (16 episodes, 2003)
Morty (15 episodes, 2003-2006)
Dinglebat (11 episodes, 2003)
Pierre (Ghost #1) (3 episodes, 2003-2006)
Daniel (1 episode, 2003)
The Hooded Fang (1 episode, 2003)