This is Tuxedo Kamen also known originally as Tuxedo Mask. He was killed by Queen Byrel because he refused to join her army, but Serena's mother, the queen of the moon, sent him back to earth to accompany and protect Serena. His real name in Japan is Momoru Chiba. His birthday is August 3rd, favorite color is black, favorite food is chocolate. He is in collage and is thus older then the Sailor Scouts. In America he is Darien and is Prince of Earth. His hobbies are reading, jogging, karate class and keeping in shape.

His earth parents were killed in a car accident when he was very young.

His spirit splits off and becomes Moonlight Knight, who has a Arabian sword and throws white roses. Moonlight Knight is Darien's forgotten love for Serena. Later after his memory returns he gets his spirit back.

When Darien and Serena first meet they don't get along very well,(he has a habit of calling her meatball head) but later they find out about each others secret identities and they become good friends. A little after that he becomes her boyfriend.

He throws a sharp red rose which can stun an enemy. He also has a extendible cane that he uses.