Natter snipped from the main page:

• Is there a Trope Shakespeare * didn't* use?
  • No.
    • It's a little known fact that Shakespeare's works include such things as Data Vampires, the Classic Cheat Code, Trainstopping, Personality Blood Types, and America Saves The Day

Song of Ice and Fire has Mance Rayder, King beyond the Wall, disguising himself as a minstrel to lay eyes on his counterpart, King Robert. King Robert himself entertains plans to do this, but doesn't, because of how awful his son is.