Cthulhu

http://dangerousminds.net/comments/feed_your_fictional_cosmic_entity_fetish_with_these_leather_cthulhu_masks

Goats

http://www.npr.org/2016/05/14/477964010/when-being-human-got-his-goat-this-designer-became-one

Merman/maid

http://www.mirror.co.uk/news/real-life-stories/man-thinks-hes-part-fish-8441154
https://www.gaystarnews.com/article/merfolk-dressing-mermen/