creator (463 episodes, 1995-2017)
created by (112 episodes, 1985-2020)
writer (63 episodes, 1985-2005)
written by (4 episodes, 1986-1988)
book (1 episode, 1988)
writer (260 episodes, 1998-2020)
(376 episodes, 1998-2020)
written by (1 episode, 2001)
(250 episodes, 1986-1998)
writer (9 episodes, 1987-1997)
script (1 episode, 1988)
writer (147 episodes, 1999-2016)
(228 episodes, 1999-2016)
script (1 episode, 2008)
(223 episodes, 1987-1998)
writer (13 episodes, 1988-1998)
writer (42 episodes, 2003-2009)
(76 episodes, 2003-2009)
associate head writer (1 episode, 2008)
writer (49 episodes, 2014-2019)
written by (15 episodes, 2018-2020)
(67 episodes, 2014-2020)
writer (34 episodes, 1985-1987)
(62 episodes, 1985-1987)
written by (1 episode, 1986)
writer (55 episodes, 2007-2012)
writer (35 episodes, 1998-2002)
(53 episodes, 1998-2002)
writer (30 episodes, 2015-2019)
written by (10 episodes, 2018-2020)
head writer (27 episodes, 2018-2019)
written by (8 episodes, 2018-2020)
writer (4 episodes, 2018-2019)
(36 episodes, 2018-2020)
story editor (30 episodes, 2018-2019)
written by (4 episodes, 2018)
writer (3 episodes, 2020)
(33 episodes, 2018-2020)
(23 episodes, 1986-1987)
writer (2 episodes, 1987)
writer (19 episodes, 2016-2019)
(20 episodes, 1997-1998)
writer (3 episodes, 1998)
(19 episodes, 2005-2007)
writer (8 episodes, 2005-2007)
(17 episodes, 2002-2004)
writer (11 episodes, 2013-2014)
(15 episodes, 2013-2014)
(11 episodes, 1991-1999)
writer (5 episodes, 1998)
writer (9 episodes, 1998-1999)
(11 episodes, 1998-1999)
written by (10 episodes, 2018-2019)
writer (6 episodes, 1999-2000)
(9 episodes, 1999-2000)
writer (6 episodes, 2017-2018)
written by (3 episodes, 2019)
writer (8 episodes, 2016)
(5 episodes, 1994-1995)
(5 episodes, 1987)
written by (5 episodes, 2019)
(3 episodes, 1986)
(3 episodes, 1987)
writer (3 episodes, 2017)
written by (2 episodes, 2018)
writer (1 episode, 2018)
writer (3 episodes, 2019)
(2 episodes, 2004)
writer (2 episodes, 2010)
(1 episode, 1988)
(1 episode, 1998)
(1 episode, 2002)
writer (1 episode, 2019)