Nōin
Nōin 能因 (988-1051?). Japanese poet and monk of the late Heian period. Lay name: Tachibana no Nagayasu 橘永愷. Along with Izumi Shikibu, Nōin is one of "Thirty-six Medieval Poetry Immortals" (中古三十六歌仙) of waka poetry selected by Fujiwara no Norikane 藤原範兼 (1107–1165).