By A Mystery Man Writer
Batalhão de Operações Policiais Especiais - Wikiwand
Franchise, Hitman Wiki
Death Templars, Warhammer 40,000 Homebrew Wiki
File:World War I Totenkopf.svg - Wikipedia
File:Pirate Deaths Head Flag (Levasseur Reversed).svg - Wikipedia
File:Skull and crossmops.jpg - Wikipedia
File:ISO 7010 W016.svg - Wikipedia
File:Hazard T.svg - Wikipedia
Jolly Roger, One Piece Wiki, Fandom
File:RPC White Hazard Logo.png - Wikimedia Commons
File:58th Shimbu-tai, skull Nose Art.svg - Wikimedia Commons
File:Skull Drawing from US 7th Army Report on KZ Dachau 1945 pages 3-4.png - Wikimedia Commons
File:Warning triangle with skull and crossbones.svg - Wikimedia Commons
Jolly Roger - Wikiwand
Task Force X, Darian's DC Extended Universe Wiki