Jeff Swampy Marsh


Birthday December 9, 1960

Birth Sign Sagittarius

Birthplace Santa Monica, CA

Age 63 years old

#30139 Most Popular


Three-time Emmy nominated screenwriter who, most notably, co-created the animated series, Phineas and Ferb, in 2007.

Before Fame

He worked as a marketing and sales executive before quitting to pursue work in animated television.


He started his writing career in the 1990s for the series Rocko's Modern Life.

Family Life

He had two children with wife Birgitte Marsh.

Associated With

Actor Vincent Martella has voiced the main character on his show, Phineas and Ferb, for several seasons.