Genus Vipera, commonly known as vipers, are venomous snakes found globally. Some of the synonyms used for Genus Vipera include Agkistrodon, Proatheris, and Pelias. These synonyms are derived from the physical features, geographic location, and the venomous properties of the snakes. For example, Agkistrodon is named based on the shape of the snake's head, which resembles a hook or thorn. On the other hand, Pelias is derived from the Greek mythology story of Jason and the Argonauts, where a fierce dragon named Pelias guarded a golden fleece. Regardless of the name or origin, it is essential to exercise caution and respect when encountering any member of the Genus Vipera.