Helena Douglas is an opera singer and pigua quan martial artist from the Dead or Alive series, making her first debut in Dead or Alive 2. She is the current leader of DOATEC, and the illegitimate daughter of the late Fame Douglas, the former head of the DOATEC, and Maria. She is also the half-sister of Kokoro. Helena enters the Dead or Alive Tournament to find the assassin who killed her mother. Although she was being manipulated by Victor Donovan, she ends up inheriting control of DOATEC after her father’s death. Helena is the main protagonist of Dead or Alive 4. She was the winner of the fourth Dead or Alive Tournament, but gave the title to Zack.