|Powers and Abilities|
|First Appearance||The Ultimate Prey Part 1|
Leviathan a large light blue serpentine monster. It has a large round body and a large head, with a slim neck. It has fins on its body, though they seem relatively small compared to the rest of its body.
Powers and Abilities
Leviathan has enhanced strength and durability. It has enhanced swimming speed.
Leviathan's size makes it slow, making it difficult for it to chase its prey. Its size also prevents it from eating a cornered prey.
Dimension 1 (John Smith 10)
By Khyber's Pet
Dimension 2 (Ryder 10)
- The Leviathan species has appeared many times in John Smith 10, being a predator appearing in several different dimensions.
- The appearance of Leviathan is based off the Yu-Gi-Oh! monster card Spiral Serpent.