Dr. John A. Zoidberg, often referred to mononymously as Zoidberg, is a fictional character from the animated series [[Futurama]] and is the series' comic relief. He is a Decapodian, a crustacean-like species of [[alien]], who works as the staff doctor for Planet Express, despite his woeful understanding of human physiology and allusions to his questionable credentials.

Zoidberg is named after an Apple II game that series writer David X. Cohen created in high school called Zoid, similar to the game Qix. The game was rejected by Broderbund. One of Cohen's inspirations for the character of Dr. Zoidberg was the fact that [[Star Trek]] character [[Leonard McCoy]], the ship's doctor, frequently administered medical treatment to aliens such as [[Spock]], so Cohen wished human characters in Futurama to be in the uneasy situation of being treated by an alien doctor.
john a zoidberg