The Demon's Head ring was a ring that is used by whoever is the current Ra's al Ghul; to symbolize his position as the leader of the League of Assassins. It was destroyed in a fire by the final Ra's al Ghul, Nyssa, after she disbanded the League of Assassins.
- Ra's al Ghul's predecessor (deceased)
- "Ra's al Ghul" (deceased)
- Oliver Queen (formerly; briefly)
- Malcolm Merlyn (formerly)
- Nyssa al Ghul (formerly; briefly)
- "Lian Yu" (mentioned)