Brendon was best known for playing the loveable Xander Harris in all seven seasons of 'Buffy the Vampire Slayer.' Here is what his family said about his death.

Nicholas Brendon, who played Xander Harris on “Buffy the Vampire Slayer,” died Friday at age 54, just days after posting a video in which he criticized his former co-star Sarah Michelle Gellar, Page Six reports.

He played the part of Xander Harris, one of Buffy’s closest friends, on the hit television show about a teenage girl who protects the world from monsters.

Nicholas Brendon, the actor best known for playing Xander Harris on the cult television series “Buffy the Vampire Slayer,” has died at 54, his family announced Friday. “We are heartbroken to share the passing of our brother and son,

Nicholas Brendon, an actor best known for his role as a loveable underdog sidekick on the hit television series “Buffy the Vampire Slayer,” has died. He was 54.