Cosmo the Spacedog is a fictional character appearing in American comic books published by Marvel Comics. Cosmo, a telepathic Soviet dog, is the security chief of the space station Knowhere and a member of the Guardians of the Galaxy. The character was created by Dan Abnett and Andy Lanning as a reference to Laika and first appeared in Nova vol. 4 #8 (January, 2008 issue). Cosmo the Spacedog appeared in the Marvel Cinematic Universe film Guardians of the Galaxy.