One controls the Seven Kingdoms.
The other controls the hearts and minds of over 38 million Twitter followers.
So can you imagine what might happen if Justin Bieber actually crossed paths with King Joffrey from Game of Thrones? Well, thanks to the beauty of the Internet, you can wonder no longer!
The new Tumblr Joffrey Bieber places Bieber's head on Joffrey's body throughout numerous Game of Thrones Season 3 scenes.
And even though no one would label Bieber as the epitome of all evil, these photos are still pretty hilarious: