Genus Naja is a group of venomous snakes commonly known as cobras. Synonyms for Genus Naja include Asiatic Cobra, African Cobra, and Spitting Cobra. Other common names for the cobras include spectacled cobra, king cobra, forest cobra, and black-necked spitting cobra. These snakes are characterized by their ability to expand their necks into a hood when threatened, as well as their venomous bite, which can be deadly to humans. While they are often feared for their venomous bite, cobras are also culturally significant in many parts of the world, and are featured in art, literature, and mythology.