Colton O'Neil

''This article is for the character. For the series of the same name, see Arsenal (series).''

Colton O'Neil is the titular main protagonist of Arsenal, the younger brother of Amanda, and supporting character in ''Zero. ''Originally a fan of Zero and Axel, Colton, along with his older sister, would often go to the area of disaster, putting his life in danger. Throughout Season 2, Colton showed signs of powers, due to being exposed to Kane's rupture wave, and in Season 3 he adopted the name Arsenal. Moving to Ovy City in Season 4, Colton established himself there, where he battles villains at night.