created by (174 episodes, 1991-2003)
creator (62 episodes, 1991-2002)
characters (1 episode, 2001)
creator (79 episodes, 1991-2002)
writer (2 episodes, 1993-1994)
written by (6 episodes, 1991-2001)
story (1 episode, 1991)
story (51 episodes, 1991-1998)
(52 episodes, 1991-1998)
story editor: Nickelodeon (6 episodes, 1991)
story (41 episodes, 1991-1998)
story (39 episodes, 1993-1998)
story (9 episodes, 1997-2003)
(34 episodes, 1997-2003)
writer (3 episodes, 1997-2002)
written by (13 episodes, 1998-2003)
additional material (1 episode, 1998)
story by (2 episodes, 1998-1999)
story editor (1 episode, 2002)
staff writer (12 episodes, 2002)
story editor (11 episodes, 2002-2003)
story (8 episodes, 1999-2002)
based on an idea by (1 episode, 1999)
(33 episodes, 1999-2003)
teleplay (1 episode, 2000)
written by (13 episodes, 1999-2003)
story (13 episodes, 1998-2000)
written by (14 episodes, 1998-2002)
(32 episodes, 1998-2002)
story by (2 episodes, 1999-2000)
(31 episodes, 1998-2002)
story (6 episodes, 2002)
writer (2 episodes, 1997-1999)
additional material (1 episode, 2002)
developer (unknown episodes)
story consultant (1 episode, 1999)
written by (9 episodes, 1998-2002)
writer (3 episodes, 1992-1994)
written by (4 episodes, 1992-1993)
written by (8 episodes, 1991-1992)
(18 episodes, 1997-2003)
story (3 episodes, 1997-1998)
story by (1 episode, 1998)
written by (3 episodes, 1997-2003)
(17 episodes, 1997-1998)
written by (2 episodes, 1997-1998)
written by (16 episodes, 1992-1994)
writer (1 episode, 1993)
written by (6 episodes, 1991-1992)
written by (5 episodes, 1997-1999)
story (7 episodes, 1997-1999)
(15 episodes, 1997-1999)
writer (1 episode, 1997)
written by (6 episodes, 1997-1999)
story (6 episodes, 1997-1999)
story (13 episodes, 1991-1993)
(14 episodes, 1991-1993)
(13 episodes, 1997-1998)
additional material by (1 episode, 1997)
written by (2 episodes, 1997)
written by (11 episodes, 1998-2001)
story (1 episode, 1998)
(10 episodes, 1992-1994)
writer (1 episode, 1994)
written by (1 episode, 1993)
story editor (6 episodes, 1991)
written by (4 episodes, 1991-1992)
story (1 episode, 2002)
teleplay (1 episode, 2002)
written by (7 episodes, 1999-2001)
(7 episodes, 1992-1994)
written by (1 episode, 1992)
teleplay (1 episode, 2001)
writer (1 episode, 2001)
written by (4 episodes, 2001-2002)
story (6 episodes, 1996-1998)
story (2 episodes, 2002)
additional written material (1 episode, 1997)
written by (2 episodes, 1997-2002)
story (1 episode, 2001)
written by (5 episodes, 2001)
(5 episodes, 1993-2002)
based on an idea by (1 episode, 2002)
idea (1 episode, 1993)
story (1 episode, 1999)
written by (3 episodes, 2000-2002)
written by (4 episodes, 2001)
story (4 episodes, 1991-1992)
written by (3 episodes, 1993-1994)
(4 episodes, 1993-1994)
story (2 episodes, 1993-1994)
story (4 episodes, 1996-1998)
teleplay (2 episodes, 2002)
written by (2 episodes, 2001)
co-written by (2 episodes, 2001)
written by (3 episodes, 2001)
written by (2 episodes, 1991)
story (3 episodes, 1992)
story (3 episodes, 1993)
(3 episodes, 1993)
story (1 episode, 1993)
written by (2 episodes, 1994-1998)
written by (2 episodes, 1996-1997)
story by (1 episode, 1997)
written by (3 episodes, 1997-1999)
written by (3 episodes, 1997)
(3 episodes, 2000-2001)
written by (1 episode, 2001)
written by (2 episodes, 2002-2003)
written by (3 episodes, 2002)
written by (2 episodes, 1991-2001)
(2 episodes, 1992-1993)
written by (2 episodes, 1992)
(2 episodes, 1993-1998)
writer (1 episode, 1998)
(2 episodes, 1993-1994)
written by (1 episode, 1994)
idea (1 episode, 1994)
teleplay by (1 episode, 2001)
written by (1 episode, 1999)
story (1 episode, 2000)
written by (2 episodes, 1999-2000)
(2 episodes, 1999-2000)
story by (1 episode, 1999)
story (2 episodes, 1999)
(2 episodes, 1999)
written by (2 episodes, 1999)
written by (2 episodes, 2002)
written by (1 episode, 1991)
(1 episode, 1992)
story (1 episode, 1992)
(1 episode, 1993)
teleplay (1 episode, 1993)
(1 episode, 1997)
story (1 episode, 1997)
idea (1 episode, 1997)
written by (1 episode, 1998)
(1 episode, 2000)
written by (1 episode, 2002)
written by (1 episode, 2003)
