No, Shigaraki and Deku are not brothers. Shigaraki, whose real name is Tenko Shimura, is a member of the League of Villains and the primary antagonist in the anime and manga series "My Hero Academia." Deku, whose real name is Izuku Midoriya, is the main protagonist and a student at U.A. High School training to become a hero. They have different families and backgrounds.
No, Shigaraki and Deku (Izuku Midoriya) are not brothers in the anime or manga series "My Hero Academia." Shigaraki, whose real name is Tenko Shimura, is the main antagonist of the series and has a different backstory and relation to the main characters than Deku.
