writer (192 episodes, 2006-2010)
(147 episodes, 2007-2010)
creator (119 episodes, 2006-2010)
writer (62 episodes, 2008-2010)
writer (15 episodes, 2006)
writer (5 episodes, 2008-2009)
writer (3 episodes, 2006-2007)
(1 episode, 2009)
(unknown episodes)