Nagato Yuki is a fictional character in the Haruhi Suzumiya franchise. She is initially portrayed as an introverted, taciturn bibliophile. She is actually an artificial human created by the Data Integration Thought Entity, and possesses supernatural powers as a result. She never officially joins Haruhi Suzumiya's SOS Brigade, but observes and takes part in club activities on the behalf of the Entity while still being the only member of the Literary Club. This character is popular among cosplayers. It can be portrayed by wearing cosplay Nagato Yuki costume and cosplay Nagato Yuki wig. This character is always present in a Haruhi Suzumiya cosplay.