Willow is originally a wallflower who excels at academics, providing a contrast to Buffy's outgoing personality and less-than-stellar educational record.They share the social isolation that comes with being different, and especially from being exceptional young women.It is Xander who often provides the heart to the series, and in season six, becomes the hero in place of Buffy who defeats the "Big Bad." Buffy and Willow are the only characters who appear in all 144 episodes; Xander is missing in only one.The cast of characters grew over the course of the series.The series narrative follows Buffy Summers (played by Sarah Michelle Gellar), the latest in a line of young women known as "Vampire Slayers", or simply "Slayers".In the story, Slayers are "called" (chosen by fate) to battle against vampires, demons, and other forces of darkness.
His inspiration was his father Tom Whedon who was an actor himself. He is a successful and a happy person taking care of his family brilliantly.
He leaves Buffy as he believes he isn't good enough for her.
He goes on to make amends for his sins and to search for redemption in his own spin-off, Angel.
She reappears briefly in the fourth season, looking for vengeance, and moves to Angel where she voluntarily goes to jail for her murders.
Faith reappears in season seven of Buffy, after having helped Angel and his crew, and fights alongside Buffy against The First Evil. Tara Maclay (Amber Benson) is a fellow member of Willow's Wicca group during season four, and their friendship eventually turns into a romantic relationship.
Buffy the Vampire Slayer is an American supernatural drama television series created by Joss Whedon under his production tag, Mutant Enemy Productions, with later co-executive producers being Jane Espenson, David Fury, David Greenwalt, Doug Petrie, Marti Noxon, and David Solomon.