Jeff 'Swampy' Marsh — Movies & TV Free

Acting · Born 1960-12-09 · Santa Monica, California, USA

Biography

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.

Also known as: Jeff "Swampy" Marsh , Jeff Harsh, Jeff Swampy Marsh, Jeffrey Marsh, Jeff Marsh, Swampy Marsh, Swampi Marsh, Jeffrey "Swampy" Marsh

Filmography

• TV's Funniest Animated Stars: A Paley Center for Media Special (2015) as Self
• Phineas and Ferb the Movie: Across the 2nd Dimension (2011) as Major Francis Monogram / Monogram-2 (voice) — rated 7.1/10
• Phineas and Ferb: The Perry Files - Animal Agents (2013) as Major Monogram (voice) — rated 8.6/10
• Phineas and Ferb: The Daze of Summer (2012) — rated 7.4/10
• Phineas and Ferb: Mission Marvel (2013) as Francis Major Monogram / Gordon Gutsofanemu / Additional Voices — rated 6.6/10
• Phineas and Ferb: Star Wars (2014) as Major Hologram / Imperial Officer Jeff / Additional Voices — rated 7.1/10
• I Know That Voice (2014) as Self — rated 7.1/10
• Phineas and Ferb the Movie: Candace Against the Universe (2020) as Major Monogram (voice) — rated 7.2/10
• Spiked (2025) as Big Boss Croc / Exterminator (voice) — rated 8.0/10
• Untitled Phineas and Ferb Movie as Major Francis Monogram (voice)
• Phineas and Ferb Summer Belongs to you ! (2010) as Major Francis Monogramme
• Aaagh! It's the Mr. Hell Show! (2001) as Josh (voice) — rated 6.5/10
• Bounty Hamster (2003) as (voice)
• Phineas and Ferb (2007) as Major Francis Monogram (voice) — rated 7.9/10
• Milo Murphy's Law (2016) as Additional Voices (voice) — rated 7.4/10
• How Not to Draw (2022) as Major Monogram (voice) — rated 8.7/10
• Agent P Under C (2026) as Major Monogram (voice) — rated 8.4/10

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Jeff 'Swampy' Marsh is known for acting, born on 1960-12-09 in Santa Monica, California, USA. Their filmography on FluxEntertainment includes TV's Funniest Animated Stars: A Paley Center for Media Special, Phineas and Ferb the Movie: Across the 2nd Dimension, Phineas and Ferb: The Perry Files - Animal Agents, Phineas and Ferb: The Daze of Summer, Phineas and Ferb: Mission Marvel and more titles available to stream free.

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