So as Yuki is one of the, if not the, most popular Haruhi character, there's a lot of Yuki cosplay around.
From
here:
From
here:
Thief!Yuki from the Perplexity of Suzumiya Haruhi.
Disappearance!Yuki
From
here:
Disappearance!Yuki
From
here:
From
here:
From
here: