Colonel is a mermaid character from the Futurama cartoon, he appeared in season 2, episode 16, entitled "The Deep South". Colonel is voiced by David Herman.
Colonel is the mayor of lost city of Atlanta, and he has a daughter Umbriel. Colonel greeted the arriving Planet Express crew, and gave them breathing apparatus. After the crew found Fry, and met Umbriel, the Colonel took them to a tour in the city. He also showed them a video of how the city of Atlanta ended up at the bottom of the ocean. The Colonel had the crew over in his house for a dinner. After the crew had left, Colonel comforted heartbroken Umbriel.