Suggestions by @user_114532
3,806 suggestions
Maisie Williams
as Coltrane in Phineas and Ferb if fictional characters made it
"Weird Al" Yankovic
as Professor Poofenplotz in Phineas and Ferb if fictional characters made it
Wilt Chamberlain
as Admiral Acronym in Phineas and Ferb if fictional characters made it
Playboi carti
as Django Brown in Phineas and Ferb if fictional characters made it
Bobby Brown
as Irving Du Bois in Phineas and Ferb if fictional characters made it
Cody Simpson
as Roger Doofenshmirtz in Phineas and Ferb if fictional characters made it
Daniel Tiger
as Grandma Winifred in Phineas and Ferb if fictional characters made it
Bumblebee (DCSHG G1)
as Grandpa Reginald in Phineas and Ferb if fictional characters made it
Optimus Prime
as Grandma Betty Jo in Phineas and Ferb if fictional characters made it
Rich the Kid
as Grandpa Clyde in Phineas and Ferb if fictional characters made it
Zoe McLellan
as Suzy Johnson in Phineas and Ferb if fictional characters made it
Jim Carrey
as Charlene Doofenshmirtz in Phineas and Ferb if fictional characters made it
Blue's Clues
as Pinky in Phineas and Ferb if fictional characters made it
Joseph (SML)
as Jenny Brown in Phineas and Ferb if fictional characters made it
Babe Carano
as Vivian Garcia-Shapiro in Phineas and Ferb if fictional characters made it
Jimmy Fallon
as Norm in Phineas and Ferb if fictional characters made it
Pop Smoke
as Jeremy Johnson in Phineas and Ferb if fictional characters made it
Gary the Snail
as Carl the Intern in Phineas and Ferb if fictional characters made it
Bobby Porter
as Major Monogram in Phineas and Ferb if fictional characters made it
Jaden Smith
as Lawrence Fletcher in Phineas and Ferb if fictional characters made it