Jeff 'Swampy' Marsh
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.
Phineas and Ferb the Movie: Candace Against the Universe
as Major Monogram (voice)Phineas and Ferb travel across the galaxy to rescue their older sister Candace, who has been...
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Phineas and Ferb The Movie: Across the 2nd Dimension
as Major Francis Monogram / Monogram-2 (voice)Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the...
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Phineas and Ferb: The O.W.C.A. Files
as Major Monogram / Additional Voices (voice)When an attack on the O.W.C.A. incapacitates the animal agents, only Agent P and his animal...
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Phineas and Ferb: Mission Marvel
as Francis Major Monogram / Gordon Gutsofanemu / Additional VoicesPhineas and Ferb team up with the Avengers to save the world from Dr. Doofenshmirtz and a group...
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I Know That Voice
as SelfFilmmaker Lawrence Shapiro discusses voice-over acting with the talented people behind the...
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Phineas and Ferb: Star Wars
as Major Hologram / Imperial Officer Jeff / Additional VoicesPhineas and Ferb become the galaxy's unlikeliest last hope when they must return the Death Star...
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TV's Funniest Animated Stars: A Paley Center for Media Special
as SelfThe top 40 funniest cartoon characters are showcased in this TV special, as determined by a...
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Phineas and Ferb: Summer Belongs to You!
as Major Francis Monogram (voice) / Additional VoicesIt's the summer solstice, so Phineas, Ferb, and their friends decide to travel around the world...
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Phineas and Ferb: Last Day of Summer
as Major Monogram (voice)On the inevitable 104th day of summer vacation, the season — and the series — is quickly coming...
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Phineas and Ferb: Night of the Living Pharmacists
as Major Francis Monogram (voice)Doofenshmirtz's latest "-inator" accidentally turns the citizens of Danville into contagious...
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Phineas and Ferb: The Perry Files - Animal Agents
as Major Monogram (voice)Perry the Platypus - a.k.a. Agent P - and his fellow operatives team up to thwart Dr....
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Phineas and Ferb Christmas Vacation!
as Major Monogram (voice)Phineas and Ferb turn the city of Danville into a giant thank you card for Santa Claus because...
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Phineas and Ferb: The Daze of Summer
as uncreditedSuper-smart and seriously funny stepbrothers Phineas and Ferb come up with unusually exciting...
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Phineas and Ferb
as Francis Monogram (voice)Each day, two kindhearted suburban stepbrothers on summer vacation embark on some grand new...
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Milo Murphy's Law
as Additional Voices (voice)Milo Murphy is the personification of Murphy’s Law where anything that can go wrong will go...
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Aaagh! It's the Mr. Hell Show!
as Josh (voice)Aaagh! It's the Mr Hell Show is an animated comedy show created by David Max Freedman & Alan...
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Bounty Hamster
as (voice)Bounty Hamster is an animated children's cartoon made in 2003 created by David Max Freedman and...
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