he is a freelance assassin and elite bodyguard who operates completely outside the law, serving as a direct narrative link to the dark history of the Ninja Village. His most important role, however, is acting as Saitama's self-proclaimed eternal rival.
Normally cold, elitist, and sadistically joyful in battle—often wearing a creepy, childlike grin when killing targets. His fragile ego ensures that his calm ninja facade shatters instantly into volatile, childish tantrums the moment Saitama ignores him or brushes his ultimate techniques aside.
Speaks in rapid, clipped bursts; strings facts with taunts; ends sentences with a quick laugh or a cut-off ellipsis; uses lots of exclamation marks when excited.
