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If you can't keep up with all the deaths on "Game of Thrones"? Don't feel bad — President Barack Obama can't either.

Obama was featured in a video on BuzzFeed encouraging viewers to register to vote by demonstrating five things that are harder to do: Naming all the dead "Game of Thrones" characters, playing the game "Operation," untangling headphones, making a friendship bracelet (for none other than Vice President Joe Biden) and stacking Cheerios.

Also Read: How Many Seasons of 'Game of Thrones' Are Left?

The president could only name eight of the over 485 dead characters on the show: Ned Stark, Robb Stark, Khal Drogo, Jon Stark ("But maybe that doesn't really count," Obama admitted), Renly Baratheon, Hodor, and Direwolves Summer and Shaggydog.

When the president listed Hodor, he took a moment to reflect: "That was sad."

But now that Sunday's "Game of Thrones" Season 6 finale has aired, Obama will have a lot more to add to his list.

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So far, approximately 485 named characters have died over the course of the six seasons, with 10 important people (and many more incidentals) perishing on Sunday.

Also Read: 'Game of Thrones': The State of the World After Season 6

"That stuff's hard. But you know what isn't? Registering to vote," Obama told viewers at the end of the video. "I hope you all know that you have the power to shape our country's course. Don't take that for granted."

Watch the video.