||Krypto (intro, origin), Jor-El (flashback), Lara (flashback), Krypton (flashback), Lana Lang
||A super-powerful dog arrives in Smallville in a rocket complete with written records proving that he is baby Kal-El's puppy who Jor-El used as a test animal when developing his space rockets. Though happy to be reunited with his dog, Superboy needs to make sure that Krypto does not give away his secret identity several times before Krypto leaves for a romp in space.
||In this story, Krypto acts like a dog. Inker identification by Bob Hughes, August 2005.
||in Superboy (DC, 1949 series) #165 (June 1970); in DC Special Blue Ribbon Digest (DC, 1980 series) #9 (May 1981); in Superman in the Fifties (DC, 2002 series) #nn