Kaenbyou_Rin from Touhou should get a tag alias with her nickname, "Orin".
http://danbooru.donmai.us/wiki/show?title=kaenbyou_rin
Reiuji_Utsuho has her name aliased with her nickname "Okuu", so I thought it would just make sense if Rin also had her nickname linked to her full name as well.
Updated by jxh2154