Orthrus

Orthrus (オルトロス, Orutorosu) is a recurring demon in the series.

History
In Greek mythology, Orthrus was a two-headed dog and one of the many monsters sired by Typhon and Echidna, among his siblings were Cerberus, Sphinx, and Chimera to name but a few. Orthrus was the dog of the Titan, Geryon, and along with Eurytion was the guardian of Geryon's herd of red cattle. Geryon, Eurytion, and Orthrus were all slain when Hercules ('Heracles' in Greek mythology) was completing the tenth of his twelve labors.

Appearances

 * Megami Tensei: Youjuu
 * Megami Tensei II: Majuu, Boss
 * Shin Megami Tensei: Majuu
 * Shin Megami Tensei IMAGINE: Beast Race
 * Shin Megami Tensei: if...: Majuu
 * Shin Megami Tensei: if... Hazama's Chapter: Majuu
 * Shin Megami Tensei III: Nocturne: Beast Race
 * Shin Megami Tensei IV
 * Shin Megami Tensei: Strange Journey: Beast Race
 * Devil Summoner: Soul Hackers: Majuu Clan
 * Devil Summoner: Raidou Kuzunoha vs. The Soulless Army: Pyro Order
 * Devil Summoner 2: Raidou Kuzunoha vs. King Abaddon: Pyro Order
 * Devil Summoner: Raidou Kuzunoha vs. The Lone Marebito
 * Persona 2: Innocent Sin: Fortune Arcana
 * Persona 3: Hanged Man Arcana
 * Persona 3: FES: Hanged Man Arcana
 * Persona 4: Hanged Man Arcana
 * Devil Children Red Book
 * Devil Children Black Book
 * Devil Children White Book
 * Devil Children Black Book/Red Book (PS)
 * DemiKids: Light Version as Orthros
 * DemiKids: Dark Version as Orthros
 * Devil Children Fire Book
 * Devil Children Ice Book
 * Shin Megami Tensei: Devil Survivor: Beast Race
 * Shin Megami Tensei: Devil Survivor 2: Beast Race

Megami Tensei II
Orthrus appears as a servant of Pazuzu, and worked alongside the Partner before she broke away from Pazuzu's control. After reaching the ruins of Tokyo, Pazuzu instructs the hero and his friend to meet up with Orthrus at the Princess Hotel and assist him in taking out the Partner. During their confrontation with her at Tokyo Tower, the hero ends up siding with her and the friend and Orthrus part ways with him. Orthrus continues to fight alongside the friend after his transformation into the Dark Hero, but is killed in battle with the hero's party.

Persona 4
Orthrus is a Persona that can be acquired from Shuffle Time in the Secret Laboratory dungeon.