(eff)

People Say:

I just realized that jeff "swampy" marsh is a pun on his last name and not just a random nickname
By 2017, I'm hoping that Phineas and Ferb will be back with Mike Murphy. Make it happen Dan Povenmire and Jeff "Swampy" Marsh!!!
On an unrelated note, Jeff "Swampy" Marsh (co-creator of Phineas and Ferb) liked my comment about my pet fish and I feel rejuvenated
Would you and Jeff "Swampy" Marsh like to collaborate with me on the show after the pandemic?
And Jeff "Swampy" Marsh