Adventure Comics 210 (Facsimile Edition) #[nn]
In "The Super-Dog from Krypton!", Superboy welcomes a surprising visitor to Smallville—a super-powered puppy from Krypton who arrived in a rocket carrying proof that he was Jor-El’s test subject during the development of the spacecraft meant for baby Kal-El. Written by Otto Binder and brought to life with classic art by Curt Swan and inks by Sy Barry, this 2025 Facsimile Edition captures the charm of a golden age tale, with cover art by Curt Swan and Stan Kaye.
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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.
Plot details indexed by the Grand Comics Database (CC BY-SA).