Jeff 'Swampy' Marsh

Personal Info

Know For

Acting

Gender

Male

Birthday

1960-12-09 (65 years old)

Place of Birth

Santa Monica, California, USA

Jeff 'Swampy' Marsh

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 an...

Acting

2011

Phineas and Ferb The Movie: Across the 2nd Dimension

as Major Francis Monogram / Monogram-2 (voice)

2015

O.W.C.A. Files

as Major Monogram / Additional Voices (voice)

2014

Phineas and Ferb: Night of the Living Pharmacists

as Major Francis Monogram (voice)

2009

Phineas and Ferb Christmas Vacation!

as Major Monogram (voice)

2010

Phineas and Ferb: Summer Belongs to You!

as Major Francis Monogram (voice) / Additional Voices

2015

Phineas and Ferb: Last Day of Summer

as Major Monogram (voice)

2013

Phineas and Ferb: Mission Marvel

as Francis Major Monogram / Gordon Gutsofanemu / Additional Voices

2014

Phineas and Ferb: Star Wars

as Major Hologram / Imperial Officer Jeff / Additional Voices

2014

Phineas and Ferb Save Summer

as Major Francis Monogram / Additional Voices (voice)

2025

Spiked

as (voice)

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