The basic information on Fushimi has been collected from an official booklet that can be found on Weibo as well as from tidbits mentioned here and there in the official novels.
Full Name: Saruhiko Fushimi (伏見猿比古)
Nickname: Monkey, Saru
Age: 19 (K), 20 (K: Return of Kings)
Birthday: November 7
Astrological Sign: Scorpio
Blood Type: AB
Height: 178cm (5'10")
Affiliation: Scepter 4 (Current), Homra (Formerly)
Family: Fushimi Niki (Father), Fushimi Kisa (Mother), Oogai Aya (Cousin)
Jungle Stats: Atk 4/7, Def 2/7, Mnd 1/7, Agl 4/7, Int 3/7, Luk 1/7
A few quick facts about Saruhiko. He is incredible brilliant and was recruited for Scepter 4 because of his abilities as a "hidden weapon user". This does little to convince people to warm up to his surly personality.