Jor-El then puts Krypto in an experimental rocket ship prior to the planet's destruction. After Krypton is destroyed, Krypto's ship survives and is picked up by aliens, who make him into a pet.
He shares adventures with the aliens, and meets other dogs from other planets aboard their ship. Unfortunately, during a mission into the Sol System, their ship is destroyed, and all of Krypto's friends are destroyed, however Krypto survives due to the Photonucleic Effect- or, the effect of a yellow sun on a Kryptonian body.
Krypto then explores the solar system and meets a young Superboy.
|Stories featuring Krypto, the Superdog|
|Silver Age |
|Adventure Comics #210 (First Appearance) • "Krypto's Family Tree"|
| Modern Age|
|World Without a Superman (First Appearance of Bibbo's Krypto) • Return to Krypton (First Modern-age Appearance of Kryptonian Krypto) • "Superman: Our Worlds at War" • Teen Titans #7 • Atlas|
|TV Series||Superman: The Animated Series (Cameo) • Krypto the Superdog • Legion of Superheroes (Cameo)|
|Prose||Starwinds Howl • DC Super-Pets! (Pooches of Power)|