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Born · December 9, 1960 (64 years old)
Known For: Acting
Place of Birth: Santa Monica, California, USA
Jeff "Swampy" Marsh (born December 9, 1960) is an American animator, writer, director, producer, and voice actor associated with several animated television series, most notably as an executive producer and the voice of Major Monogram for Disney's animated series Phineas and Ferb and Milo Murphy's Law, both of which he co-created with Dan Povenmire. Marsh was born in Santa Monica, California, where he grew up with a heavily blended family dynamic. Marsh has been and continues to be a driving force behind several animation projects, working for over six seasons on the animated television series The Simpsons. Marsh continued to work on other animated television series, including King of the Hill and Rocko's Modern Life, before moving to England in 1996.
Major Monogram (voice)
7.3
2020
Additional Voices (voice) · (73 episodes)
7.4
2016
Self
0.0
2015
Major Monogram / Additional Voices (voice)
7.8
2015
Major Monogram (voice)
8.0
2015
Major Francis Monogram (voice)
7.8
2014
Major Hologram / Imperial Officer Jeff / Additional Voices
7.1
2014
Major Francis Monogram / Additional Voices (voice)
0.0
2014
Self
7.1
2014
Francis Major Monogram / Gordon Gutsofanemu / Additional Voices
6.5
2013
Major Monogram (voice)
8.4
2013
7.0
2012
Major Francis Monogram / Monogram-2 (voice)
7.1
2011
Major Francis Monogram (voice) / Additional Voices
7.8
2010
Major Monogram (voice)
7.0
2009
Francis Monogram (voice) · (223 episodes)
7.9
2007
(voice) · (1 episode)
0.0
2003
Josh (voice) · (13 episodes)
6.4
2001