First forming in the Season One episode " The Harvest " to prevent The Master from opening a portal to hell, the line-up of the group varied from year to year, but the core that remained intact throughout the series ' run was Buffy herself and her best friends, Xander Harris and Willow Rosenberg, as well as her Watcher, Rupert Giles.

* Rupert Giles — As Buffy's Watcher, and a father-figure and mentor to the entire group, Giles is a founding figure of the Scooby Gang, although his British upbringing resists the lighthearted nickname at first.

They are mentored by the school librarian who is also Buffy's Watcher, Rupert Giles ( Anthony Stewart Head ), who often works closely with Willow in researching the various monsters the group encounters.

She becomes best friends with Xander Harris ( Nicholas Brendon ) and Willow Rosenberg ( Alyson Hannigan ), and meets her new Watcher, Rupert Giles ( Anthony Stewart Head ).

From youth, Giles was expected to follow the family tradition and become a Watcher, though as a teenager and young adult he rebelled, dropping out of Oxford University to experiment in dark magic and the rock music scene, until a bereavement brought him to his senses.

As a child, Giles dreamed of being either " a fighter pilot or possibly a grocer ", but he soon learned that being a Watcher is a calling, much as being a Slayer is, and Rupert's father explained his destiny to him when he was ten years old ( revealed in " Never Kill a Boy on the First Date ").

Although the Scooby Gang later joked that he wore tweed diapers as a child, Giles was in fact a rebellious youth, rejecting his responsibility as a Watcher and dropping out of Oxford University, where he was studying history, when he was twenty-one.

Following Randall's death, Ethan and the others failed to exorcise Eyghon, and Giles accepted his destiny of becoming a Watcher.

As the Watcher, librarian, and general authority figure, Giles often delivers exposition.

Giles briefly serves as Watcher for Kendra's replacement Slayer, Faith Lehane.

Giles is fired, and replaced with Wesley Wyndam-Pryce, but continues to act as Buffy's unofficial Watcher, proving especially helpful when Wesley turns out to be an incompetent coward.

) Giles as her official Watcher.

An injured Watcher named Robson witnessed Giles about to be decapitated by a Bringer before blacking out.

There, Giles encounters Duncan Fillworthe, a former Watcher, who claims vampires do not dare to enter the town because they know the town contains an army of Slayers.

Giles has extensive knowledge of demonology and Slayer combat ( including at least a theoretical knowledge of jujutsu and aikido, but excelling at the art of fencing ), mainly due to his training as a Watcher.

Xander meets Buffy Summers ( Gellar ), the Slayer, on her first day at Sunnydale High, as well as her Watcher Rupert Giles ( Anthony Head ).

Now under the mentorship of Rupert Giles, who is training him as a Watcher, Andrew comes to Los Angeles to help contain psychotic Slayer Dana ( cf.

Unlike the long line of Slayers before her, Buffy accomplishes this with the help of her friends ( dubbed the Scooby Gang ), including her Watcher, Giles, who is also the school librarian.

It starred Anthony Head better known as the Prime Minister in Little Britain and Rupert Giles, Librarian and Watcher in Buffy the Vampire Slayer.

Notable Watchers include Rupert Giles, Watcher of series protagonist Buffy, and Wesley Wyndam-Pryce, who temporarily takes over in season 3.

Giles is, in fact, Buffy's new Watcher, a mentor who will teach her about the demons she must face, as well as supervise her training in weapons and battle strategy.

After many months of fighting alongside Buffy and being under the authority of Buffy's Watcher, Giles, Faith becomes estranged from Buffy and aligns herself with the Mayor, who both employs her as an assassin and becomes a father figure to her while preparing to become a powerful demon that will destroy the town.

Faith tells Buffy's Watcher Giles ( Anthony Head ) that it was Buffy who killed the Deputy Mayor ; he does not believe her and she is taken into custody to be dealt with by the Watchers ' Council.

Another prominent alien race is The Watchers, immortal and wise beings who watch over the Marvel Universe and have taken a sacred vow not to intervene in events, though the Watcher assigned to Earth, Uatu, has violated this oath on several occasions.

Thereafter, he is based in England where he is training a squad of Slayers, and Andrew as a Watcher.

* Faith Lehane — A troubled girl who became a Slayer as a result of Kendra's death, Faith arrives in Sunnydale in Season Three after her Watcher is killed.

Giles's primary role in the series is Watcher to Buffy ( Sarah Michelle Gellar ) in her capacity as vampire Slayer ; he is in the employ of the Watchers ' Council, a British organization that attempts to oversee the actions of the Slayer.

However, Xander's unique position as both outside of and within the main group enhances his insight into the other characters, especially as the series continues ; in Season Eight, he is Buffy's unofficial " Watcher ".

Wesley is introduced in the Buffy the Vampire Slayer season three ( 1998 – 1999 ) episode " Bad Girls " as the new Watcher of Buffy ( Sarah Michelle Gellar ) and Faith ( Eliza Dushku ).

The Lost Slayer is a series of Buffy novels set in an alternate future where Wesley is Watcher to the current Slayer, Anna.

And since he isn't surrounded by upper-crust academics as he was as a young Watcher in the Academy in England, it's understandable that he is changing the way he speaks and changing his voice, his delivery, as a result of his environment.

" Petrie claims Faith's main motivation is to find a family and friends ; she sees treacherous Watcher Gwendolyn Post as the mother she never had, the Scooby Gang as the friends she never had, and the Mayor as the father she never had.

In the Book of Enoch, Mount Hermon is the place where the Grigori (" Watcher ") class of fallen angels descended to Earth.

While the mainstream versions do defeat their counterparts, they are also able to force the Centurion from the timeline, after which Uatu the Watcher tells them he is Kang.

" He is later congratulated by a resurrected Watcher.

In the early 2006 series, a hacker, whose online alias is " The Watcher ", opens each of the six issues.

Uatu the Watcher narrates some issues and there is a cameo by Brian Michael Bendis as narrator ( see " The narrator " above ).

He quickly abandons this decision when Buffy asks him to be her Watcher again, confessing that she needs him, both emotionally and in order to discover more about what being a Slayer means.

Boromir unintentionally disturbed the water by casting a stone into the pool, and the Watcher attacked Frodo as the Fellowship was about to enter Moria.

She has been surviving on her own since her original Watcher, someone who teaches her about the demons and monsters she will face, was tortured and killed soon before Faith's arrival in Sunnydale.

The Watcher comic books have tales about the special race of beings talented at information processing called The Watchers spread throughout the Cosmos that it is believed in Theosophy and the Ascended Master Teachings that The Watcher belongs to.

At the restaurant, Wood reveals that he is a " freelance " demon hunter, and tells her about his mother — that she was the Slayer and was killed when he was four years old, after which he was raised by her Watcher.

She and Giles start looking in the Watcher diaries for information about past Slayers ' deaths, but Giles tells her there won't be much in them because the Watchers usually also died or found it too painful to recount the incidents.

MacLeod does not know at first that Dawson is his Watcher, but Dawson tells him the truth after MacLeod knocks out two Hunters: " I probably know more about you than you know about yourself.

Before he was able to do that, he was visited by a Watcher named Ian Bancroft, who told him about immortality.