Home People Jeff 'Swampy' Marsh Jeff 'Swampy' Marsh movies Jeff 'Swampy' Marsh movies Jeff 'Swampy' Marsh Movies (12) Phineas and Ferb: The Movie: Candace Against the Universe (1969) As Major Monogram (voice). Phineas and Ferb: The Movie: Candace Against the Universe (1969) As Writer. Phineas and Ferb: Last Day of Summer (2015) As Major Monogram. He was 54 years old Phineas and Ferb: Star Wars (2014) As Major Francis Monogram (voice). He was 53 years old Phineas and Ferb: Star Wars (2014) As Creator. He was 53 years old I Know That Voice (2014) As Himself. He was 53 years old Phineas and Ferb: Mission Marvel (2013) As Major Francis Monogram (voice). He was 52 years old Phineas and Ferb: The Perry Files - Animal Agents (2013) As Major Monogram (voice). He was 52 years old Phineas and Ferb: The Daze of Summer (2012) He was 51 years old Phineas and Ferb: The Movie: Across the 2nd Dimension (2011) As Major Francis Monogram (voice). He was 50 years old Phineas and Ferb: The Movie: Across the 2nd Dimension (2011) As Writer. He was 50 years old Phineas and Ferb: Summer Belongs to You! (2012) As Major Monogram. He was 51 years old
