A rounin who wanders through Nevada, in search for battles, no matter how fierce these battles are. Kenshiro wields a Katana named Ariso Monight (pronounced as "arisou monaito" which is derived from "arisomonai" which means "improbable"). It's named like this because it contains the same power source as in the Improbability Drive. When in full charge, the blade summons a purple fire-like energy, which makes Kenshiro faster and nimbler temporary. As a wandering warrior, Kenshiro is often a lone wolf, but sometimes accepts the help of the good guys in battles.