Buffy the Vampire Slayer slayer. Buffy receives guidance from her Watcher, Rupert Giles (Anthony Stewart Head). Giles, rarely referred to by his first name (it is later revealed that in his misspent younger days he went by "Ripper"), is a member of the Watchers' Council, whose job is to train and guide the Slayers. Giles researches the supernatural creatures that Buffy must face, offers insights into their origins and advice on how to defeat them, and helps her stay in fighting form. Buffy is also helped by friends she meets at Sunnydale High: Willow Rosenberg (Alyson Hannigan) and Xander Harris (Nicholas Brendon). Willow is
Satsu (Buffy the Vampire Slayer) Satsu (Buffy the Vampire Slayer) Satsu is a fictional character created by Joss Whedon for "Buffy the Vampire Slayer Season Eight", a comic book continuation of the television series "Buffy the Vampire Slayer". Introduced as one of the strongest Slayers, she has a close relationship with her mentor Buffy Summers. Satsu develops romantic feelings for Buffy, and the two have a brief sexual relationship. She becomes the leader of her own Slayer squadron in Tokyo, and forms a friendship with fellow Slayer Kennedy during her performance review. She also makes a minor appearance in "Buffy the Vampire Slayer Season Ten".