Kate Valentine(ケイト・ヴァレンタインKeito Varentain) is the Head of the New York Branch of the Order of Magdalene. She is a strong willed woman who often seems out of place fighting demons and devils. She leads the order with an iron resolve, making sure the New York Branch Office runs as smooth as clockwork. For the most part she is the same throughout the anime and manga with major differences in character development.