Heatblast

Heatblast is a Pyronite from a star Pyros, one of Ben's first heroes he used.

Ben 10
He is the first alien to be used and one of the most used, voiced by Steve Blum.

A magma-based lifeform with composed of bright lava body cover with red rocks. his feet are oval like designed with two toes.

Trivia

 * He is based on the Human Torch with a Iron Man-like head and armor shaped-like body.
 * Pyronites are have slightly similar to Heatblast with many different rock formations on their bodies.
 * In Omniverse, his voice is similar to Nicolas Cage with a younger voice. Also, more mature and smarter.