Mithra

Appearances

 * Shin Megami Tensei III: Nocturne: Deity Race
 * Devil Summoner: Soul Hackers: Maou Clan
 * Shin Megami Tensei: Strange Journey: Tyrant
 * Shin Megami Tensei: Strange Journey: Fallen
 * Shin Megami Tensei IMAGINE: Demon God
 * Digital Devil Saga 2: Icon Race
 * Persona 2: Eternal Punishment: Hierophant Arcana
 * Persona 3: Temperance Arcana
 * Persona 3: FES: Temperance Arcana
 * Persona 4: Temperance Arcana

History
In Zoroastrian mythology, Mithra (or Mitra) was a deity of contracts who was the protector of truth and the enemy of error. He was created by the supreme deity Ahura Mazda as the greatest of all yazatas and an important aid in the destruction of the demonic forces led by Angra Mainyu (or known as Ahriman) in later Persian sources. He is also in charge of the administration of the world and, in that role, a divine representative of Ahura Mazda. As a divinity of truth, loyalty and light it was among Mithra's tasks to protect the righteous souls of the deceased from demons and accompany them to paradise. In later Iranian mythology, Mithra became considered an incarnation of Ahura Mazda himself.

In later Vedic mythology, Mithra is a god of honesty, friendship, meetings and contracts despite his role as an asura (although he is sometimes addressed as a deva). He was counted among the great solar deities who were the supreme keepers of law and order. In this way he was often paired with the asura Varuna where they were twinned as Mithra-Varuna. Together they were the gods of the oath and the most important asura in the Vedic pantheon.

It is notable that the worship of Mithra became very popular among the Romans, and if it hadn't been for the rise of Christianity, Mithra would have been a strong contender for becoming the most prominent god to spread throughout the West.

Shin Megami Tensei: Nocturne
He is one of bosses in the Assembly of Nihilo building.

Persona 3
Pairing Mithra up with Metatron will allow use of the Fusion spell "Last Judge", which obliterates enemies with a gavel made up of Almighty powers.

Shin Megami Tensei: Strange Journey
Mithra is the master of Sector Bootes and is introduced as Master Mitra, appearing in a form possessed in earlier titles at first. He and his servants have been "recruiting" members of the expedition by threat or force and appears to be interested in the Protagonist and offers him a chance to join him in return for being made a citizen of Mitra's domain in the new world to come, an invitation he extends to everyone aboard the Red Sprite as well.