Zorro the Zombie Hunter is the younger half-brother of Dr. Fox. They have the same father but different mother. Zorro grew up in Arkansas and learned to hunt at an early age unlike Dr. Fox. Zombies killed his mother and his step father. Zorro the Zombie Hunter was especially bothered that his dog became a zombie dog that he had to put down. Zorro the Zombie Hunter has vowed revenge on zombies ever since. Zorro occasionally helps Dr. Fox teach his ESL lesson with zombies as the topic.