Cast

Horton: Phineas

Gertrude: Isabella

Cat in the Hat: Baljeet

JoJo: Ferb

Mayzie: Vanessa

Sour Kangaroo: Candace

Young Kangaroo: Suzy

Bird Girls: Fireside Girls (Beside isabella)

Mayor: Lawrence

Miss Mayor: Linda

Whickersham Brothers: Buford, Jeremy , Django

Vlad: Doofenshmirtz

Grinch: Irving

Yertle the Turtle: Major Monogram

I do not own Phineas and ferb or Seussical