MV Comix #21/1971

In "Der Superhund von Krypton," a super-powered dog arrives in Smallville in a rocket, bearing records that prove he’s the puppy Jor-El once used to test his space rockets—making him baby Kal-El’s long-lost companion. Though thrilled to reunite with his canine friend, Superboy must carefully keep Krypto from exposing his secret identity, even as the dog’s antics threaten to draw attention with every leap and bark.