Alma Karma

Alma Karma, also known as the "first womb", is the person responsible for the birth of the Third Exorcists.

Background
Like Yu Kanda, Alma is a Second Exorcist but was an unsuccessful creation and was put into the Third Exorcist program. Rouvelier claims the reason Alma surviving his fight-to-the-death match with Kanda was because they were "friends".