He was one of the most popular characters on the Game of Thrones, but sadly, Peter Vaughan has passed away at the age of 93.

The actor was best known for playing Maester Aemon Targaryen in the hit HBO series.

His agent, Sally Long-Innes, confirmed the news to BBC today: "This is to confirm that very sadly Peter Vaughan passed away at approximately 10.30 this morning.

"He died peacefully with his family around him."

When the news broke, many fans took to Twitter to pay tribute to Peter:

"He was the blood of the dragon, but now his fire has gone out. He was Aemon Targaryen. And now his watch is ended.”#PeterVaughan

— M. (@Owaahh) December 6, 2016

His watch has ended #PeterVaughan pic.twitter.com/nGBkkrM6q2

— ㅤ (@ManCityMarty) December 6, 2016

Bye bye Maester Aemon. The end of his watch, a Targaryen undone.#PeterVaughan

—(@MissusRTT) December 6, 2016

He was the blood of the dragon, but now his fire has gone out. And so his watch has ended. #rip #petervaughan pic.twitter.com/VYwdwMbcQc

— J O N D A L A R (@jondowww) December 6, 2016

RIP Peter Vaughan, you are loved and will never be forgotten

— abbie (@damnlexurgh) December 6, 2016