Mark Sean O'Hare (born July 18, 1968) is an American cartoonist, animator, writer and storyboard artist who created the comic strip Citizen Dog.[1]

Mark O'Hare
Mark Sean O'Hare

(1968-07-18) July 18, 1968 (age 54)
Alma materCalifornia Institute of the Arts
Occupation(s)Cartoonist, writer, storyboard artist, animator, director
Years active1992–present
Known forRocko's Modern Life
SpongeBob SquarePants
Camp Lazlo

O'Hare is well known for his work on animated television shows as a writer and storyboard artist for Rocko's Modern Life, SpongeBob SquarePants, Dexter's Laboratory, The Powerpuff Girls, Hey Arnold!, The Angry Beavers, The Mighty B! and Chowder. He also performed storyboard work on The Ren and Stimpy Show. Throughout the run of the series, O'Hare served as the creative director and supervising producer on Camp Lazlo. He is currently a storyboard artist at Illumination Entertainment.[2]

Although accepted into the aeronautical engineering program at Purdue University, O'Hare shifted focus after his sophomore year to study graphic design, later getting acceptance into the character animation program at California Institute of the Arts.[3]

While a student at Purdue University, he drew a strip called Art Gallery for the student newspaper, The Exponent. The comic ran from the autumn of 1987 to the spring of 1990.

O'Hare has been nominated four times for an Emmy from the Academy of Television Arts & Sciences and won his first Emmy in 2007 for "Outstanding Animated Program" on Camp Lazlo and his second in 2008.

He is good friends with fellow director Tim Hill.



Year Title Notes
1993–1996 Rocko's Modern Life director/assistant director/storyboard artist/storyboard clean-up/assistant storyboard artist/additional writer/story
1995 The Ren & Stimpy Show storyboard artist (Episode: "Ol' Blue Nose")
1996; 1998 Hey Arnold! storyboard artist/storyboard director/director
1997 The Angry Beavers storyboard artist/assistant storyboard artist
Life with Louie storyboard artist
1997; 2003 Dexter's Laboratory storyboard artist/writer/story
1999–2004 SpongeBob SquarePants storyboard artist/writer/storyboard director/character layout artist
2002 Jeffrey Cat: Claw and Order creator/model/writer/executive producer (pilot)
2003 Whatever Happened to... Robot Jones? writer/storyboard artist
2003–2004 The Powerpuff Girls storyboard artist/writer/story
2005–2008 Camp Lazlo story/writer/storyboard artist/storyboard director/creative director/supervising producer/director
2007 Shorty McShorts' Shorts storyboard artist ("Mascot Prep" short)
2008–2009 The Mighty B! storyboard director
2008 Tak and the Power of Juju storyboard artist/director
2009 Chowder story/storyboard artist
2010 Adventure Time storyboard revisionist


Year Title Notes
1992 Cool World character designer
2004 Shrek 2 storyboard artist
Shark Tale additional storyboard artist
2010 Despicable Me storyboard artist
2011 Hop
2012 The Lorax
2013 Despicable Me 2
2015 Minions additional story artist
2016 The Secret Life of Pets story artist
2018 The Grinch head of story
2020 The SpongeBob Movie: Sponge on the Run storyboard supervisor


  1. ^ "Mark O'Hare". Lambiek. Retrieved 21 June 2010.
  2. ^ "Mark O'Hare". 3 May 2016.
  3. ^ "Cartoonist says farewell to 'Citizen Dog' comic".

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