Dr. Dorsal is a minor character who debuted in Doug's Dog Date. He is a veterinarian located in Bluffington.
In Doug's Dog Date, he examines Porkchop's strange behavior but he doesn't find any problems with him. He suggests that Doug keep tabs on Porkchop and follow him around.
Dr. Dorsal appeared again in Doug's Fat Cat, where he helped deliver Stinky's kittens.