Kyūjitai form of 大二十面半十二面体: great icosihemidodecahedron

Kyūjitai form of 立方半八面体: cubohemioctahedron

Kyūjitai form of 正十二面体: regular dodecahedron

Kyūjitai form of 正二十面体: regular icosahedron

(Japanese mythology) son of 瓊瓊杵 (Ninigi) and 木花開耶姫 (Ko no Hana no Sakuyabime), younger brother of 火照 (Hoderi), husband of 豊玉姫 (Toyotamabime), father of 鸕鷀草葺不合 (Ugaya Fukiaezu) and grandfather of Emperor Jinmu; he was known to have a conflict with his brother in the myth 海幸山幸 (Umisachi Yamasachi, “Luck of the Sea and Luck of the Mountain”)

(literally) know the other side and yourself, a hundred battles will not be perilous

great icosihemidodecahedron