(Y/N) Midoryia is the oldest son in the Midoriya family. Some people don't realize Izuku and him are twins due to their personality. Izuku being sweet one and (Y/N) being the rude one. (Y/N) doesn't care about what people think about him. Unlike his brother he was born with a quirk, his quirk being a combination of his fathers and his mothers quirk. He's able to use his quirk to pull the heat from anything nearby, and turn it into fire. If he pulls all the heat from around him his surroundings start to form ice.

Since your parents died after a Villian attacked your family , You're the adoptive brother of your Mothers best friends son. Bakugo Katsuki. After you were left alone they adopted you and finally you were also allowed to Join U.A after getting out of the Hospital !