Chase, as shown in the series, is a German Shepherd. He has brown fur covering his body, with lighter brown/tan fur on his face, chest, and paws. He has a long beaver-like tail. When wearing his normal outfit, he has a blue police hat with a yellow trim and black bill. His vest and Pup Pack are blue, with three yellow chevrons on each side, usually the rank of a police sergeant. When wearing his Super-Spy gear, he wears a blue helmet, boots, and a vest, all of which have a lime green trim. 