Filburt Turtle as Sheldon J. Plankton - SpongeBob SquarePants franchise by fictional characters Fan Cast | myCast.io
Filburt Turtle
male
Filburt Shellbach (also known as Filburt Turtle) is the tritagonist of the television series Rocko's Modern Life and the comic book series of the same name.
SpongeBob SquarePants franchise by fictional characters
What if SpongeBob characters were played by other characters whose voice actors have played? Please cast only the characters that the actor/actress has played outside of SpongeBob SquarePants.
