The Doctor is a character from the animated series Robotboy.
He is a calm and patient man who seems to care about his patients.
In Tummy Trouble we see him read a comic book about The Human Fist. He quickly hides the comic when Jebediah and Hester came in his office. When he sees Gus emaciated he screams anxious surprised. He then examines Gus to see how he became so slim. He discovers Walter the Tapeworm and wants to operate Gus to get Walter out of him. But when he takes out his saw and knifes, gus flees out of his office.