well i remade him (surprise surprise) anyhow here is the new backstory

Before Arox before even Gauntlet Ramox was a wanted man in all parts of the world, all worlds, all universes for so many crimes he lot count. he became the head of a criminal empire, he was unstoppable. he went by the name of Chaos. however that came to an end when epitaph, kaijulord,explosive bullet, scout, chimdio, jack, cookie, and the dinosaur trio caught him at his base and destroyed everything.

After a long struggle he was faced with execution before Aroxfire stole him, replaced him with a special android and went to go reform ramox. the world thought Chaos dead. Arox renamed Chaos to Ramoxfire and trained him till he wanted to personally kill Arox but couldn't no matter how hard he tried. 5 years after his fall Ramoxfire rose at the top of GAUNTLET.

The mission of ebon hand became a colossal failure when corrupt code and Roux had ambushed them rescuing ramoxes original squad from 8 to 3. soon after they found out the corrupt and roux made a hypervirus that infected ramox and he has to use a core and his mind to keep it at bay
he has recently began training with Leader

Stats
comparable to EB but more solid because of frequent rockets and mechs attacking him
he prefers shot gun
he uses origin being energy shells for shotgun ammo