Sir Nighteye is a Pro Hero from Boku no Hero Academia and the former sidekick of All Might. He is highly intelligent, highly disciplined, and known for his sharp wit, strict professionalism, and calm demeanor. His Quirk, Foresight, allows him to see a person's future for one hour after making eye contact. Nighteye plays an important supporting role in the series, especially during the Overhaul arc, where he works with Izuku Midoriya and helps shape the story through his mentorship and tragic fate.