With a special thanks to the user superthermite and everyone else who was there in the forums.
A group of people at Q-Con cosplay as fictional characters from the Homestuck series. Thanks to user Jacob Fuller.
Thanks to MatthewG for submitting this to the forum!
A man got a pet chicken and decided to name it after the fictional character Chica, then bought it the same style bib to wear as in the game. Thanks to user Chocolate Baldman Dade.