Krypto Has Been Superman's Furry Companion Since He Was An Infant On The Planet Krypton. Although They

Krypto has been Superman's furry companion since he was an infant on the planet Krypton. Although they are not as intelligent as humanoids, Kryptonian dogs can read minds, even if they cannot project their thoughts.

Krypto was paired with the infant Kal-el to mind him and keep him from harm, which was a common practice on Krypton, and was sent with Kal-el to Earth AI for that purpose.

Kryptonian dogs live hundreds of years, which explains how Krypto could have been a puppy when Kal was a baby and still be alive now that Superman is in his thirties.

Mary Batson is Billy Batson’s older sister, who, like Billy, is transformed into a super-powered, costumed hero by speaking the name of the wizard Shazam. Unlike Billy, Mary does not become an adult during her transformation. She remains a teenage girl. 

"Bronco" Bill

"Bronco" Bill Starr is the human form of Comet, the Super-Horse. "Bronco" Bill is a rodeo trick-rider, who has no memory of being either super-horse. 

The first time Supergirl met “Bronco” Bill they had an intense love affair. But it ended when he lost human form. Both Supergirl and Comet are unaware of Comet’s human identity.

Abin Sur was a member of the Green Lantern Corps working undercover on Earth AI to locate an escaped criminal when he suffered a fatal accident. Before he died his ring chose Hal Jordan of Earth AI to replace him and brought Hal to receive the ring.

Dial H for Hero

When Robby Reed of Littleville, Colorado finds an odd looking old rotary phone in his grandfather’s attic he starts to receive calls for help from around the world, and each call transforms him or someone around him into a super-hero.

Starman

On an expedition to the asteroid belt, space entrepreneur Alex Ross discovered a novel compound forged in the heart of stars. When the engine of the space craft he designed failed, was able to pilot the ship back to earth using a piece of the asteroid rock which has properties that warp space. Subsequently Alex set out to explore distant galaxies using his discovery.