Heatwave is the Omnitrix's DNA sample of a Firenite from Heatia.
Heatwave is fire-based lifeform whose body is composed of a pale yellow inner magma body coveres by short sleeved outfit similar to Billy's shirt. His feet have a slight boot-like design and the Omnitrix symbol is on his stomach.
Billy slams down the Omnitrix's dial and is engulfed in a green light.
As the transformation track begins playing, Billy in hovers in a dark green background with light green bubbles pulsating rapidly behind him, as he crouches down.
Powers and Abilities
Heatwave has the abillity to create and manipulate heat and his body fire. He can make a fireball projectilles to attack the enemies.
Despite being made by heat he can resistand fire and magma, cold making him heat and cold proof.
Heatwave can has abillity to fly.
He has enhanced strength and durability. He can also survive being thrown in giant rock.
A water can weaken his powers but for short time he can heat up.
Due being made by fire he can leave a foorprints in a wood.