Buffy the Vampire Slayer stars pay tribute after death of Nicholas Brendon, aged 54

Tributes have poured in for Nicholas Brendon, star of fantasy series Buffy the Vampire Slayer, who has died at 54 years old.

The sad news was announced by his family on social media, who confirmed "he passed in his sleep of natural causes".

A statement shared on Facebook read: "We are heartbroken to share the passing of our brother and son, Nicholas Brendon. He passed in his sleep of natural causes.

"Most people know Nicky for his work as an actor and for the characters he brought to life over the years. In recent years, Nicky has found his passion in painting and art. Nicky loved to share his enthusiastic talent with his family, friends and fans.

"He was passionate, sensitive, and endlessly driven to create. Those who truly knew him understood that his art was one of the purest reflections of who he was. Our family asks for privacy during this time as we grieve his loss and celebrate the life of a man who lived with intensity, imagination, and heart.

"Thank you to everyone who has shown love and support."

Alyson Hannigan, who starred alongside Brendon, shared a heartfelt tribute on Instagram, writing: "My Sweet Nicky, thank you for years of laughter, love and Dodgers. I will think of you every time I see a rocking chair. I love you. RIP."

Brendon played Xander Harris in the cult classic TV series from 1997 to 2003, and was best friend to the titular character played by Sarah Michelle Gellar.

Emma Caulfield, who played Anya, shared a video of Brendon on her Instagram Story (as per Deadline) and wrote: "My heart is heavy. I can't put into words just how this has hit me. Let this clip of us giving it our all be a placeholder. Rest Nicky. Rest. I love you."

Greg Vaughan, who guest-starred in Buffy season 2, shared a photo of him and Brendon on social media, and wrote: "Heavy hearts for anyone who's known, worked with and was just talking about! Nick, you were beyond kind, tremendously funny and everyone loved! You've gained your wings because you were nothing short of an Angel! R. I. P. brotha."