Once More, with Feeling (Buffy the Vampire Slayer) theaters with the audience invited to sing along. Throughout the series Buffy Summers (Sarah Michelle Gellar), in her role as the Vampire Slayer, is assisted by her close friends, who refer to themselves as the "Scooby Gang". These include Xander Harris (Nicholas Brendon), a young man without particular strengths or talents, but devoted to Buffy and her calling, and Willow Rosenberg (Alyson Hannigan), a young woman who has grown from a shy but gifted student into a strong woman and powerful user of magic. They are mentored by Buffy's "Watcher", Rupert Giles (Anthony Stewart Head), a paternal figure since the
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".