He has mentioned that he was obese during his early days and struggled with his body image. Last updated: May 10, 2023. Hasan Doğan Piker ( / ˈpaɪkər / PY-kur, Turkish: [haˈsan doˈan piˈcæɾ]; born July 25, 1991), also known as HasanAbi ("abi" meaning "big brother" in Turkish ), is a Turkish-American [2] online streamer and left-wing political commentator.