

Jeff 'Swampy' Marsh
Born: 1960-12-09
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...
Known For


Phineas and Ferb The Movie: Across the 2nd Dimension

O.W.C.A. Files

Phineas and Ferb: Night of the Living Pharmacists

Phineas and Ferb Christmas Vacation!

Phineas and Ferb: The Perry Files - Animal Agents

Phineas and Ferb: The Daze of Summer

Phineas and Ferb: Summer Belongs to You!

Phineas and Ferb: Last Day of Summer

Phineas and Ferb: Mission Marvel

Phineas and Ferb: Star Wars
