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
Intervention (Buffy the Vampire Slayer) comic relief during a period of particular grimness for her character was a "bonus... an extra scoop of ice-cream," says Espenson. In the fight scenes in "Intervention", Xander was played by Nicholas Brendon's identical twin, Kelly Donovan, because Nicholas suffered from pneumonia at the time. Intervention (Buffy the Vampire Slayer) "Intervention" is the eighteenth episode in the fifth season of "Buffy the Vampire Slayer". At the Summers's home after dinner, Buffy confesses to Giles that she's worried about her ability to love. Giles suggests he and Buffy go to a sacred location in the desert so that she can undergo