Lunatic Emperors

Lunatic Emperors (天日月皇ルナティック・エンペラー) were a group of seven powerful beings who were part of the Hadta Mauthbalaha, a council of beings created and/or appointed by El along with the Angels of Heaven to safeguard the civilizations of the ancient world. All of them were destroyed in the Great Ancient War.

Background
The Lunatic Emperors fought Shav-Abisha, the Beast of the Earth, and after a long and perilous battle that lasted for four hundred days and four hundred nights, the Emperors all fell to Shav-Abisha. However, the Beast of the Earth was weakened by the constant assault of the Lunatic Emperors, which allowed the Angels to seal it in the abyss far below where the Marianas Trench would be in the present day.

Trivia

 * Each of the Lunatic Emperors' names originate from Aramaic terms and end with "Sahra" (סהרא), the Aramaic word for "moon".