writer (667 episodes, 2010-2024)
writer (321 episodes, 1999-2011)
lead writer (203 episodes, 2002-2012)
creative consultant (100 episodes, 2012-2015)
head writer (1 episode, 2008)
creator (362 episodes, 1993-2021)
scenario & adaptation (1 episode, 2007)
writer (294 episodes, 2005-2018)
(294 episodes, 2005-2018)
(237 episodes, 2014-2019)
(228 episodes, 2007-2018)
Lead Writer (187 episodes, 2012-2019)
writer (164 episodes, 2016-2019)
(157 episodes, 2005-2007)
writer (133 episodes, 2012-2014)
writer (128 episodes, 2007-2017)
writer (70 episodes, 2018-2019)
(123 episodes, 2017-2019)
(122 episodes, 1996-1999)
(107 episodes, 2009-2018)
writer/producer (76 episodes, 2021-2022)
(106 episodes, 2020-2022)
writer (94 episodes, 2013-2015)
(94 episodes, 2013-2015)
writer (89 episodes, 2020-2022)
writer (54 episodes, 2014-2015)
(85 episodes, 2013-2015)
(74 episodes, 2010-2011)
writer (73 episodes, 2009-2011)
(60 episodes, 2019-2020)
(56 episodes, 2013-2014)
(46 episodes, 1998-1999)
writer (41 episodes, 2006-2017)
creator (1 episode, 2007)
writer (43 episodes, 2005-2006)
(43 episodes, 2005-2006)
(41 episodes, 2012-2013)
writer (38 episodes, 2015-2016)
(35 episodes, 2013-2014)
writer (28 episodes, 2017-2018)
writer (26 episodes, 2021-2022)
writer (24 episodes, 2007-2011)
(25 episodes, 2005-2011)
(16 episodes, 2005)
(16 episodes, 2019-2020)
writer (15 episodes, 2019)
(14 episodes, 2014)
writer (12 episodes, 2019)
(10 episodes, 2008)
assistant writer (5 episodes, 2009)
writer (4 episodes, 2021)
(1 episode, 2005)
(1 episode, 2007)
(1 episode, 2014)
head writer (1999-2002) (unknown episodes)
(2000-2002) (unknown episodes)
(2001-2002) (unknown episodes)
(2003) (unknown episodes)
(2003-) (unknown episodes)
(2004-2005) (unknown episodes)
(2005) (unknown episodes)
writer (unknown episodes)
multiple episodes (unknown episodes)
-2005 (unknown episodes)
(unknown episodes)
(2004) (uncredited) (unknown episodes)
