Krypto, also known as Krypto the Superdog, is a fictional character from the Superman series. He is Superman's loyal pet dog who hails from the planet Krypton, just like his owner. Gifted with powers similar to Superman's, Krypto possesses super strength, flight, x-ray vision, and heat vision. He plays a supportive role, assisting Superman in battling villains and protecting Earth. Krypto is characterized by his bravery, loyalty, and playfulness, often depicted as a heroic companion who helps maintain justice in the DC universe.