They are agender, being a robot and all. They were originally programmed as CA-38, but it's creators often called it Combust, so it's leaned to answer to that as well. Combust is flightless, but to make up for this, it's it's legs give it an extra boost which each step, causing it to spring forward and be able to reach surprising speeds. The combustion process occurs in it's chest, those tubes holding fire that can be spewed from the mouth or arms. The mouth allows for more precise aim, while the arms allow it to hit adversaries at it's sides with ease.