Manhunter

Golden Age Origin
Rookie cop Dan Richards becomes the costumed crime fighter Manhunter after his girlfriend's brother also a fellow officer, Jim Kelly, was framed. He mangages to clear Jim's name and continues to fight crime as Manhunter. He was assisted by his dog, Thor, who would come to his aid with one blow of a super sonic whistle.

Golden Age Appearances

 * Police Comics #8-101