created by (39 episodes, 2002-2011)
written by (1 episode, 2002)
head writer (27 episodes, 2002-2011)
written by (6 episodes, 2002-2011)
written by (10 episodes, 2002-2011)
written by (10 episodes, 2003-2011)
head writer (5 episodes, 2005-2011)
written by (3 episodes, 2005-2011)
written by (5 episodes, 2002-2011)
written by (3 episodes, 2002)
written by (3 episodes, 2003-2005)
written by (3 episodes, 2004-2011)
written by (2 episodes, 2005-2011)
head writer (1 episode, 2002)
written by (1 episode, 2003)
written by (1 episode, 2005)