Blue Flower

Harrington arrives for the world premiere of the television fantasy drama "Game of Thrones" series 5, at The Tower of LondonBy Piya Sinha-Roy LOS ANGELES (Reuters) - HBO's medieval saga "Game of Thrones" is known for serving up graphic deaths of its lead characters, but when fan favorite Jon Snow was killed off, avid followers speculated every theory and sighting that would bring back their heroic soldier. "Game of Thrones" tweeted a teaser poster on Monday with a partial shot of Jon Snow's rugged, bloodstained face and trademark hair, with the simple caption "APRIL. #GoTSeason6." The sixth season will air on HBO in April 2016.