• Rory McCann is rumored to make a comeback in "Game of Thrones" season 6.

Rory McCann is rumored to make a comeback in "Game of Thrones" season 6. (Photo : YouTube)

It seems like the highly anticipated "Game of Thrones" season 6, will see the return of another major character, who is believed to be dead since season 4.

Sandor Clegane aka The Hound (Rory McCann) may return in the upcoming season as the actor was spotted in a hotel in Belfast, which is commonly used by "Game of Thrones" cast and HBO during the filming, Watchers on Wall reported.

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Clegane was last seen at the end of "Game of Thrones" season 4, when he was mortally wounded by Brienne of Tarth (Gwendoline Christie). While he asked Arya Stark (Maisie Williams) to kill him, she just refused and left him to die. His wounds from the battle and the fact that he did not make an appearance in the fifth season, suggested that he was dead. Now that he is seen in the city, has led to speculations of his return to the show.

Hound's fate in George RR Martin's books is still ambiguous, with a number of fan theories suggesting his return. It is possible that the actor is back to film a funeral scene or some flashbacks, or may be is just visiting the cast members, as there is no other obvious reason for him to be in Belfast. However, fans will have to wait and watch to know if Hound is still alive and is back to the show or not.

Meanwhile, it is not just Hound who was spotted in Belfast, as slave-trader Yezzan zo Quaggaz (Enzo Cilenti), a recurring character from season 5, can also return to the upcoming "Game of Thrones" season 6, as the actor shared a photo on social media, taken at a shipyard in Belfast Harbor.

In other news, the fan theory of Jon Snow (Kit Harrington) having a twin sister, Meera Reed (Ellie Kendrick). Jon Snow is believed to be the love child of Prince Rhaegar Targaryen and Lyanna Stark, and Ned Stark's (Sean Bean) sister.

Since little to nothing is known about what happened at the Tower of Joy, where Ned promised to Lyanna to take care of Jon, it is speculated that Lyanna had twins, and the only men who survived Ned and Howland Reed, have split the twins. Howland Reed is Meera's dad, according to Huffington Post.

The theory claims that the Jon and Meera look pretty much alike and are of the same age as a Wiki of Ice and Fire lists their birth year as 283 AC, the same year Lyanna died. The theory has been on rounds even before on Reddit and a Forum of Ice and Fire, though some fans dismissed it stating it to be similar to "Star Wars."