Petyr Aizen

Senator Petyr Aizen is a human and the legal guardian of Fuyuko Shirayuki.

Personality
Petyr acts like a kind person in the public, and would do good things such as having houses built for those who can ill afford it.

Petyr tends to refer to those who possess special powers as the "Mystical Ones".

Abilities
Despite being a human, Petyr is a master at concealing their true intentions, and as such, is capable of all sorts of deception. They have contingency plans for contingency plans, should their original plans backfire in some way.

Unknown
At some point after Fuyuko's power went out of control and killed her entire family, Petyr took her in and told her the lie that a hero was responsible for the "massacre".