developer (248 episodes, 1999-2023)
developed by (22 episodes, 2003-2023)
writer (11 episodes, 1999-2012)
written by (8 episodes, 1999-2007)
developer (249 episodes, 1999-2023)
developed by (23 episodes, 2003-2023)
writer (57 episodes, 1999-2004)
written by (2 episodes, 1999)
creator (232 episodes, 1999-2023)
writer (55 episodes, 1999-2004)
created by (30 episodes, 2003-2023)
story (2 episodes, 1999-2005)
writer (56 episodes, 1999-2012)
story editor (26 episodes, 2018-2023)
animation writer (13 episodes, 2015-2017)
written by (93 episodes, 1999-2023)
additional material (1 episode, 2009)
staff writer (1 episode, 2023)
story: segment "Frankendoodle" (1 episode, 2002)
animation writer (42 episodes, 2017-2023)
written by (83 episodes, 2005-2023)
(115 episodes, 2005-2023)
writer (49 episodes, 2002-2012)
written by (48 episodes, 1999-2012)
written by: live action sequences (1 episode, 2002)
staff writer (61 episodes, 2005-2010)
writer (17 episodes, 2005-2012)
written by (30 episodes, 2007-2022)
animation writer (2 episodes, 2016-2017)
(88 episodes, 2005-2022)
animation writer (61 episodes, 2015-2023)
written by (48 episodes, 2002-2023)
(84 episodes, 2002-2023)
story editor (1 episode, 2023)
written by (81 episodes, 2005-2019)
animation writer (1 episode, 2018)
developer (1 episode, 2005)
writer (37 episodes, 2005-2012)
written by (44 episodes, 2006-2019)
(76 episodes, 2005-2019)
animation writer (62 episodes, 2015-2023)
writer, "The Hankering" (1 episode, 2019)
written by (24 episodes, 2011-2023)
written by (70 episodes, 2005-2019)
(74 episodes, 2005-2019)
written by (63 episodes, 1999-2012)
(65 episodes, 1999-2021)
writer (16 episodes, 2008-2012)
written by (34 episodes, 2008-2014)
animation writer (8 episodes, 2015-2016)
(56 episodes, 2008-2021)
writer (19 episodes, 1999-2012)
written by (35 episodes, 1999-2004)
(44 episodes, 1999-2021)
story editor (1 episode, 2001)
written by (43 episodes, 2006-2011)
writer (34 episodes, 1999-2011)
written by (16 episodes, 1999-2004)
written by (36 episodes, 2005-2019)
additional material (2 episodes, 2007-2009)
writer (2 episodes, 2001-2002)
(24 episodes, 1999-2021)
written by (21 episodes, 1999-2004)
writer (24 episodes, 2002-2012)
staff writer (9 episodes, 2002-2004)
written by (15 episodes, 2002-2004)
writer (2 episodes, 1999-2005)
(21 episodes, 1999-2021)
written by (18 episodes, 2000-2005)
written by (19 episodes, 2005-2008)
written by: live action (1 episode, 2007)
written by (15 episodes, 1999-2007)
writer (3 episodes, 2005-2006)
written by: The Gift of Gum (1 episode, 2006)
staff writer (12 episodes, 2006-2008)
written by (8 episodes, 2007-2008)
writer (1 episode, 2008)
animation writer (14 episodes, 2022-2023)
written by (10 episodes, 2022-2023)
written by (17 episodes, 2011-2014)
animation writer (13 episodes, 2017)
(17 episodes, 2017-2021)
written by (9 episodes, 2017-2021)
written by (16 episodes, 2000-2002)
written by (14 episodes, 1999-2007)
written by (13 episodes, 2008-2012)
(14 episodes, 2008-2012)
writer (11 episodes, 1999-2000)
written by (12 episodes, 1999-2000)
(11 episodes, 2001-2021)
writer (1 episode, 2002)
written by (9 episodes, 2001-2004)
(10 episodes, 2005-2016)
written by (9 episodes, 2005-2016)
written by (9 episodes, 1999-2001)
writer (5 episodes, 1999-2011)
written by (4 episodes, 2000-2001)
written by (8 episodes, 1999-2000)
writer (2 episodes, 2007)
written by (6 episodes, 2006-2007)
animation writer (8 episodes, 2016)
written by (2 episodes, 2016)
writer (7 episodes, 1999-2012)
written by (7 episodes, 2000-2012)
animation writer (3 episodes, 2015-2016)
(7 episodes, 2015-2016)
written by (5 episodes, 2015-2016)
animation writer (7 episodes, 2016)
written by (1 episode, 2016)
written by (6 episodes, 2000-2002)
animation writer (6 episodes, 2015-2016)
animation writer (4 episodes, 2016)
written by (3 episodes, 2016)
written by (5 episodes, 1999-2001)
writer (2 episodes, 2005)
written by (4 episodes, 2005-2023)
writer (3 episodes, 1999-2012)
written by (1 episode, 2003)
written by (4 episodes, 1999)
written by (3 episodes, 2001-2002)
written by (3 episodes, 2007-2008)
written by (2 episodes, 2005-2007)
written by (2 episodes, 2007)
animation writer (2 episodes, 2015-2016)
written by (2 episodes, 2017-2020)
written by (2 episodes, 2022-2023)
writer (1 episode, 2000)
writer (1 episode, 2001)
written by (1 episode, 2007)
writer (1 episode, 2012)
(1 episode, 2014)
written by (1 episode, 2014)
(1 episode, 2017)
animation writer (1 episode, 2017)
written by (1 episode, 2018)
written by (1 episode, 2021)
animation writer (1 episode, 2021)
written by (uncredited) (1 episode, 2017)