Random Game of Thrones Easter Eggs Hidden Throughout the Series (25 items)

(#21) Snow Patrol's Gary Lightbody Leads a Song on a Snow-White Horse
Gary Lightbody is the lead singer and rhythm guitarist of Snow Patrol. He can be seen on Game of Thrones riding a snow-white horse leading a song that we wish there was more of.
(#14) Brienne Of Tarth And Tormund Giantsbane Use The Same Fighting Technique

In Season 4, Brienne of Tarth fights the Hound and rips off his ear with her teeth. Tormund, the wildling with a wild crush on Brienne, has also used this defense mechanism. During the Battle of the Bastards, Tormund rips into an enemy with his teeth. Does this spell L-O-V-E?
(#20) Members Of Mastodon Played White Walkers

The Night King and his White Walkers have an undying appetite for destruction and chaos, which is why it makes sense that three members of metal band Mastodon made cameos as Walkers. When Jon Snow and the Wildlings take on the Walkers, Mastodon members Bill Kelliher, Brent Hinds, and Brann Dailor make their Game of Thrones debut as members of the undead army. asto
(#2) The Opening Credits Show You Where the Episode Will Be Taking Place
People usually fast-forward through the opening credits of any show, and the Game of Thrones opener is particularly long. But the next time you watch the animated opening featuring the different kingdoms of Westeros and Essos, pay attention to which areas are featured. The locations visited in each opening sequence vary depending on where the characters are heading in that particular episode.
(#9) Lena Headey Hinted at Oberyn Martell's Demise Two Months Before It Happened

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A post shared by Lena Headey (@iamlenaheadey) on Apr 3, 2014 at 7:44am PDT

Game of Thrones fans know by now that Oberyn Martell, played by Pedro Pascal, suffered a crushing defeat - literally - at the hands of the Mountain. But two months before we screamed "nooooooo!" at our screens, Lena Headey posted the above photo on her Instagram, which spells it out.
(#5) Gandalf's Sword Is in the Iron Throne
The Iron Throne is supposed to be made up of hundreds of swords hammered together for months while being welded by dragon fire. If you look closely you can see the handle of Gandalf's sword, Glamdring, from The Lord of the Rings. We're sure whoever did that meant it as an homage to J.R.R. Tolkien and not to suggest that Gandalf was defeated and his sword made into a throne.