Stood naked on the table with just a sheet wrapped around them, probably threatening to jump
Running around in a cape, brandishing a stick
Staring at the statue in the corner, unblinking
Running around grabbing everyone's ass
Rocking and drooling in the corner, trying to exorcise anyone who comes close.
Building a barrcade and shouting about revolution.
The Hunger Games:
Standing paranoid in a corner thinking everyone is out to get them.
Unable to stop crying for more than 5 minuets.
Sobbing with Merlin.
Randomly bursting into badly-sung songs every five minutes
Scantily clad and/or shirtless while shouting/unintelligible babble/awkward poses/awkward moments of intent to kill or make up all the while intensely staring for long periods of time
Zelda/any and all videogames:
Tired and haggard and constantly jittery with coffee in one hand and something sugary in the other all the while boasting loud grunting and holding fighting stances.
Loudly shouting then sobbing in the corner and pulling out hair in frustration
Once upon a time:
Claiming to be someone from a story book while categorizing people by fictional race.
Insomniacs that avoid daylight and talk only in images, tending to babble about posts. Avoids human contact and overly reacts to everything, saying many things out of context and without proper grammar
Caution advised for all above:
Engaging these patients may lead from mild-to-sever cases of exposure and future admittance.