Krypto is a fictional character from the DC Comics universe, known as the pet dog of Superman. He is a Labrador Retriever with similar superpowers to his owner, including flight, super strength, and heat vision. Krypto first appeared in the comic book series in 1955 and has since become a beloved character in various animated series and movies. Krypto's origin story often involves him coming from Krypton, the same planet as Superman. He was sent to Earth as a puppy but arrived after Superman had already grown up. Krypto's adventures typically revolve around helping Superman and other heroes while showcasing the bond between pets and their owners.