Primate Murder (プライミッツ・マーダー, Puraimittsu Mādā?) -- also known as the White Beast (白い獣, Shiroi Kemono?) and Altrouge's Demonic Dog (アルトルージュの魔犬, Arutorūju no Maken?) -- is a Beast of Gaia (ガイアの怪物, Gaia no Kaibutsu?) and the first of The Twenty-seven Dead Apostle Ancestors. In the worlds wherein the Common Sense of Man (人理, Jinri?, lit. "Human Order") pulses with vitality, it may be referred to as the Beast IV (ビーストIV, Bīsuto IV?), being of a species of organism known as the Breed of Calamity (災害の種, Saigai no Shuu?).