Jeff 'Swampy' Marsh

Phineas and Ferb

2007 · Major Francis Monogram (voice), Director, Creator, Writer, Producer

5.0

Phineas and Ferb the Movie: Across the 2nd Dimension

2011 · Major Francis Monogram / Monogram-2 (voice), Writer, Producer

3.0

Phineas and Ferb the Movie: Candace Against the Universe

2020 · Major Monogram (voice), Writer, Producer

Phineas and Ferb: Star Wars

2014 · Major Hologram / Imperial Officer Jeff / Additional Voices

Phineas and Ferb: Mission Marvel

2013 · Francis Major Monogram / Gordon Gutsofanemu / Additional Voices

Milo Murphy's Law

2016 · Additional Voices (voice), Creator, Writer, Producer

Phineas and Ferb: The Perry Files - Animal Agents

2013 · Major Monogram (voice)

Phineas and Ferb: The Daze of Summer

2012 · Writer

Aaagh! It's the Mr. Hell Show!

2001 · Josh (voice)

Agent P Under C

2026 · Major Monogram (voice)

How Not to Draw

2022 · Major Monogram (voice)

Spiked

2025 · Big Boss Croc / Exterminator (voice)

Untitled Phineas and Ferb Movie

Major Francis Monogram (voice), Writer, Producer

Phineas and Ferb Summer Belongs to you !

2010 · Major Francis Monogramme

Bounty Hamster

2003 · (voice)