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Jeff 'Swampy' Marsh
Person

Jeff 'Swampy' Marsh

Acting Born 9 Dec 1960 — 65.648165543827 years old 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 wa...

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Latest credit Agent P Under C (2026)

As actor

19 titles
Spiked poster MOVIE Watched In progress

Spiked

2025 · 85 min

Phineas and Ferb the Movie: Candace Against the Universe poster MOVIE Watched In progress

Phineas and Ferb the Movie: Candace Against the Universe

2020 · 86 min

TV's Funniest Animated Stars: A Paley Center for Media Special poster DOC Watched In progress

TV's Funniest Animated Stars: A Paley Center for Media Special

2015 · 86 min

O.W.C.A. Files poster MOVIE Watched In progress

O.W.C.A. Files

2015 · 44 min

Phineas and Ferb: Last Day of Summer poster MOVIE Watched In progress

Phineas and Ferb: Last Day of Summer

2015 · 44 min

Phineas and Ferb: Night of the Living Pharmacists poster MOVIE Watched In progress

Phineas and Ferb: Night of the Living Pharmacists

2014 · 45 min

Phineas and Ferb: Star Wars poster MOVIE Watched In progress

Phineas and Ferb: Star Wars

2014 · 51 min

Phineas and Ferb Save Summer poster MOVIE Watched In progress

Phineas and Ferb Save Summer

2014 · 45 min

Phineas and Ferb: Mission Marvel poster MOVIE Watched In progress

Phineas and Ferb: Mission Marvel

2013 · 45 min

Phineas and Ferb: The Perry Files - Animal Agents poster MOVIE Watched In progress

Phineas and Ferb: The Perry Files - Animal Agents

2013 · 166 min

Phineas and Ferb: The Daze of Summer poster MOVIE Watched In progress

Phineas and Ferb: The Daze of Summer

2012
Phineas and Ferb The Movie: Across the 2nd Dimension poster MOVIE Watched In progress

Phineas and Ferb The Movie: Across the 2nd Dimension

2011 · 78 min

Phineas and Ferb: Summer Belongs to You! poster MOVIE Watched In progress

Phineas and Ferb: Summer Belongs to You!

2010 · 44 min

Phineas and Ferb Christmas Vacation! poster MOVIE Watched In progress

Phineas and Ferb Christmas Vacation!

2009 · 36 min

Agent P Under C poster SERIES Watched In progress

Agent P Under C

2026
Milo Murphy's Law poster SERIES Watched In progress

Milo Murphy's Law

2016 · 12 min

Phineas and Ferb poster SERIES Watched In progress

Phineas and Ferb

2007
Aaagh! It's the Mr. Hell Show! poster SERIES Watched In progress

Aaagh! It's the Mr. Hell Show!

2001 · 30 min

Untitled Phineas and Ferb Movie poster MOVIE Watched In progress

Untitled Phineas and Ferb Movie

Unknown