created by (176 episodes, 2007-2023)
series created by (14 episodes, 2015-2023)
creator (8 episodes, 2009-2012)
written by (1 episode, 2003)
story editor (30 episodes, 2021-2023)
(31 episodes, 2021-2024)
writer (1 episode, 2023)
story supervisor (15 episodes, 2019-2020)
story editor (10 episodes, 2018-2019)
(28 episodes, 2018-2024)
story sditor (1 episode, 2018)
writer (1 episode, 2021)
story editor (22 episodes, 2012-2018)
(27 episodes, 2012-2018)
writer (2 episodes, 2015-2018)
written by (1 episode, 2016)
writer (16 episodes, 2008-2023)
(20 episodes, 2008-2024)
written by (2 episodes, 2010-2011)
writer (15 episodes, 2009-2023)
written by (3 episodes, 2008-2011)
story editor (2 episodes, 2009)
(19 episodes, 2008-2024)
writer (13 episodes, 2007-2022)
(17 episodes, 2007-2024)
writer (11 episodes, 2005-2020)
written by (4 episodes, 2011-2012)
writer (12 episodes, 2016-2021)
(12 episodes, 2016-2021)
writer (9 episodes, 2005-2015)
written by (1 episode, 2007)
writer (5 episodes, 2007-2009)
written by (5 episodes, 2008-2011)
writer (7 episodes, 2010-2016)
(9 episodes, 2010-2016)
writer (7 episodes, 2019-2023)
story editor (2 episodes, 2019)
writer (7 episodes, 2012-2016)
written by (1 episode, 2012)
writer (6 episodes, 2017-2020)
writer (4 episodes, 2012-2016)
writer (3 episodes, 2003-2005)
(5 episodes, 2003-2005)
writer (3 episodes, 2015-2017)
(5 episodes, 2015-2024)
writer (4 episodes, 2016-2018)
writer (4 episodes, 2019-2023)
writer (3 episodes, 2007-2008)
writer (3 episodes, 2014-2019)
writer (2 episodes, 2022)
story editor (1 episode, 2018)
writer (2 episodes, 2005)
writer (1 episode, 2008)
written by (1 episode, 2008)
writer (2 episodes, 2009-2018)
writer (2 episodes, 2013-2014)
(2 episodes, 2014-2016)
writer (1 episode, 2014)
writer (2 episodes, 2014)
writer (2 episodes, 2017-2019)
writer (2 episodes, 2018-2019)
writer (2 episodes, 2018)
writer (2 episodes, 2020-2021)
writer (2 episodes, 2020)
writer (1 episode, 2003)
(1 episode, 2005)
writer (1 episode, 2005)
written by (1 episode, 2005)
writer (1 episode, 2007)
writer (1 episode, 2010)
story editor (1 episode, 2012)
(1 episode, 2014)
writer (1 episode, 2016)
(1 episode, 2016)
writer (1 episode, 2017)
writer (1 episode, 2018)
story editor (1 episode, 2020)
writer (1 episode, 2020)
(1 episode, 2024)