カテリーナ・スフォルツァ
from Trinity Blood
Age
28
Origin
Milan
A woman of strong will and determination, Caterina Sforza leads the special operation group AX, a sub-section of the Department of Foreign Affairs. Her subordinates frequently solve cases that involve subduing or eradicating rogue vampires. She strongly advocates making peace with the Empire and the concept of vampires and humans co-existing together. It is this that fuels her arguments with her half brother, Francesco, who disagrees with the idea of peaceful co-existence. It appears that she has known Abel for quite some time, seeing how he had saved her from vampires when she was a child. Caterina is a beautiful woman of grace and beauty with long tight-curled blond hair that has very long bangs swept to the left, blue eyes, pink lipstick and she is usually seen with a monocle over her right eye or holding a scepter. She is seen wearing richly-embroidered red and white cardinal robes. When she was younger, her dress was similar to a Vatican nuns'.

Trinity Blood
The background is in the distant future after the destruction brought about by Armageddon. The war between the vampires and the humans continue to persist. In order to protect the humans from the vampires, the Vatican has to rely on other allies to counter the situation. The protagonist, Abel Nightroad, is a traveling priest from the Vatican and a crusnik, a vampire that drinks the blood of vampires. He is a member of the "Ax", a special operations group led by Cardinal Catherina Sforza. He encounters a young girl called Esther, who decides to go with him to Rome and train at the Vatican. Soon after he meets her, the order of Rozencreuz, led by Abel's twin, Cain, tries to continue the war so they can rule the world. It's up to Abel and the AX to try and stop them.