Leviamon

Leviamon is a giant crocodillian Digimon with huge jaws. His brute strength is counted among The Seven Great Demon Lords. His Crest Insigna is "envy". He is named after the leviathan.

Evolution Table

 * Baby - Punimon
 * In Training - Tsunomon
 * Rookie - Penguinmon
 * Champion - Dolphmon
 * Ultimate - Divermon
 * Mega - Leviamon

Attacks

 * Seven Great Demon Lords
 * Rostrum Cauda

In Latin, Rostrum is a reference for "Beak" or "Head", and Cauda is a reference for "Tail". So in English, the attack is a form of a demonic headbutt.