Mahmood Heydari Pour, (born April 19, 1999), known professionally as Young Sudden; /yəNG_ˈsədn/, (often nicknamed as Sudden or Sudd; /səd/), is an international rapper, singer, songwriter, record producer, designer, actor, and music video director from Bandar Abbas, Hormozgan, Iran or Gambron (Gambron is old name of Bandar Abbas City). He owns the Gambron clothing brand and Gambron record label.