In the original story of Krypto, he is Superman's dog while he is still on Krypton. He's used as a test subject by Superman's father, who is testing rockets like the one Superman will eventually ...
Created by writer Otto Binder and illustrator Curt Swan, Krypto the Superdog made his DC Comics debut in March 1955 in Adventure Comics #210, in which he goes on an adventure with the younger ...