Jeff 'Swampy' Marsh

Born 1960, writer, actor, producer

Directing, Writing, Acting

Known for

• Phineas and Ferb (2007)
• Rocko's Modern Life (1993)
• Phineas and Ferb the Movie: Across the 2nd Dimension (2011)
• Phineas and Ferb the Movie: Candace Against the Universe (2020)
• Milo Murphy's Law (2016)