Nicholas Brendon, “Buffy the Vampire Slayer” star, has died at the age of 54, according to a statement posted via Instagram on Friday.

“We are heartbroken to share the passing of our brother and son, Nicholas Brendon. He passed in his sleep of natural causes,” his family wrote, noting that “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,” the statement continued. “Nicky loved to share his enthusiastic talent with his family, friends and fans.

Nicholas Brendon has died at the age of 54. He’s seen above in a promotional photo from “Buffy the Vampire Slayer.” ©20thCentFox/Courtesy Everett Collection

The family noted that he died “peacefully” of “natural causes.” He’s pictured above with Sarah Michelle Gellar and David Boreanaz. ©20thCentFox/Courtesy Everett Collection

This is a developing story and will be updated….