Doctor 13

The Doctor is a doctor who appears in the episode My Leg!.

Appearance

The doctor is a light purple fish who wears glasses, a white doctor's coat, and a head mirror. He has large teeth and a big mouth.

Role in episode

The doctor appears to remove Fred's cast on his leg, and he tells Fred to be more careful with his leg, or else he will have to replace it with a robot's leg. Fred finds this cool, but the doctor tells him that it is not. He is then seen at the end of the episode, dancing and grinning to Fred's song.