Constellation:

Character:

He is portrayed as a man with more money than sense but is very cheap when it comes to spending on others. After Fujimoto's death, he was ordered to kill Rin but instead accepted Rin's proposal of becoming an Exorcist and enrolled him into True Cross Academy. Mephisto is a powerful exorcist and claims that he desires to "bring peace to both Assiah and Gehenna". Despite having served the True Cross for at least two centuries, elements of the Order still consider him suspicious.

Source from Wikipeida