Nelsan Ellis, the actor best known for his starring role on HBO's True Blood,  has tragically died at the age of 39.

"Nelsan has passed away after complications with heart failure," his manager Emily Gerson Saines told THR. "He was a great talent, and his words and presence will be forever missed." He is survived by his grandmother, father, his son, and his eight siblings.

Ellis appeared in many films and TV shows, including The Soloist, Get On Up, and Elementary. Fans and celebrities alike have taken to Twitter to voice their sadness over his shocking passing.

See how Twitter reacted to his tragic passing, below:

See Ellis perform in Send Me, above.