CineScope
Jeff 'Swampy' Marsh picture

Jeff 'Swampy' Marsh

Acting
Known For

64 Years Old

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.

Born

Santa Monica, California, USA on 9th December 1960

All Credits

Milo Murphy's Law Image
Milo Murphy's Law
Additional Voices (voice)
Phineas and Ferb Image
Phineas and Ferb
Francis Monogram (voice)
Aaagh! It's the Mr. Hell Show! Image
Aaagh! It's the Mr. Hell Show!
Josh (voice)
Bounty Hamster Image
Bounty Hamster
(voice)
How NOT to Draw Image
How NOT to Draw
Major Monogram (voice)
Phineas and Ferb The Movie: Across the 2nd Dimension Image
Phineas and Ferb The Movie: Across the 2nd Dimension
Major Francis Monogram / Monogram-2 (voice)
Phineas and Ferb the Movie: Candace Against the Universe Image
Phineas and Ferb the Movie: Candace Against the Universe
Major Monogram (voice)
Phineas and Ferb: Star Wars Image
Phineas and Ferb: Star Wars
Major Hologram / Imperial Officer Jeff / Additional Voices
Phineas and Ferb: Mission Marvel Image
Phineas and Ferb: Mission Marvel
Francis Major Monogram / Gordon Gutsofanemu / Additional Voices
Phineas and Ferb: Night of the Living Pharmacists Image
Phineas and Ferb: Night of the Living Pharmacists
Major Francis Monogram (voice)
I Know That Voice Image
I Know That Voice
Self
Phineas and Ferb: Last Day of Summer Image
Phineas and Ferb: Last Day of Summer
Major Monogram (voice)
Phineas and Ferb: Summer Belongs to You! Image
Phineas and Ferb: Summer Belongs to You!
Major Francis Monogram (voice) / Additional Voices
Phineas and Ferb Christmas Vacation! Image
Phineas and Ferb Christmas Vacation!
Major Monogram (voice)
Phineas and Ferb: The Perry Files - Animal Agents Image
Phineas and Ferb: The Perry Files - Animal Agents
Major Monogram (voice)
TV's Funniest Animated Stars: A Paley Center for Media Special Image
TV's Funniest Animated Stars: A Paley Center for Media Special
Self
O.W.C.A. Files Image
O.W.C.A. Files
Major Monogram / Additional Voices (voice)
Phineas and Ferb Save Summer Image
Phineas and Ferb Save Summer
Major Francis Monogram / Additional Voices (voice)
Phineas and Ferb: The Daze of Summer Image
Phineas and Ferb: The Daze of Summer
Spiked Image
Spiked
(voice)