
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.

Allez Hëpp Hopp Hopp!

Agent P Under C

Phineas and Ferb: The Perry Files - Animal Agents

Phineas and Ferb: Last Day of Summer

Phineas and Ferb Save Summer

Phineas and Ferb: Night of the Living Pharmacists

Phineas and Ferb: Summer Belongs to You!

フィニアスとファーブ

O.W.C.A. Files

マイロ・マーフィーの法則

Phineas and Ferb Christmas Vacation!

フィニアスとファーブ/ザ・ムービー:キャンディス救出大作戦

フィニアスとファーブ/スター・ウォーズ大作戦

I Know That Voice

フィニアスとファーブ/ザ・ムービー

Phineas and Ferb: The Daze of Summer

フィニアスとファーブ/マーベル・ヒーロー大作戦

Aaagh! It's the Mr. Hell Show!

How Not to Draw

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

Untitled Phineas and Ferb Movie

Bounty Hamster