Jeff 'Swampy' Marsh was born on 1960-12-09.
Jeff Swampy Marsh played his main role as Major Monagram.
jeff (swampy) marsh
Vincent Martella does the voice of Phineas.
Dan Povenmire and Jeff "Swampy" Marsh
Jeff "Swampy" Marsh
Dan Povenmire and Jeff "Swampy" Marsh
Dan Povenmire and Jeff 'Swampy' Marsh
Phineas and Ferb was created by Dan Povenmire and Jeff "Swampy" Marsh.
Phineas and Ferb was created by Dan Povenmire and Jeff "Swampy" Marsh.
Dan Povenmire and Jeff "Swampy" Marsh.
Dan Povenmire and Jeff "Swampy" Marsh created Phineas and Ferb