Krypto
![](/Images/godic/202501/22/Kryptoross0822.PNG")
![Krypto, with Superboy, in his first appearance, from Adventure Comics #210 (March 1955). Art by Curt Swan and Stan Kaye.](/Images/godic/202501/22/Krypto1st0823.jpg")
![Krypto aids Superboy against Superboy-Prime, on the cover for Infinite Crisis #4 (March 2006). Art by Jim Lee and Sandra Hope.](/Images/godic/202501/22/Superboyvssuperboy0823.jpg")
![Krypto as he appeared in Cartoon Network's 2005 series Krypto the Superdog.](/Images/godic/202501/22/Kryptoanim0823.jpg")
Krypto, also known as Superdog, is a fictional character. He is Superman's pet dog in the various Superman comic books published by DC Comics. Krypto's first appearance was in a Superboy story in Adventure Comics #210 in March 1955. Although Krypto's breed is never specifically stated in the comic books, Krypto was drawn as a white dog of generic pedigree.