Not all Percy Jackson, but really funny!

Harry Potter Fans: Running around in cloaks, brandishing stick and reciting weird spells!
Hunger Games Fans: Crying, muttering something about the Capitol and Finnick?
Percy Jackson Fans: Sobbing in a corner complaining something about a troll author and uncapping pens expecting something to happen!
Divergent fans: Not going near needles unless they know 100% it's water and usually wearing black
Lord of The Rings fans: Holding a ring occasionally muttering my precious
The Mortal Instruments fans: Drawing strange things on their arms and laughing at mangoes
Sherlock fans: Walking around in nothing but a sheet wrapped around their body
Doctor Who fans: Staring at statues muttering something about roses and rivers!
Maximum Ride Fans: Looking for Death Valley. Muttering something about school?