【須佐之男尊/Susanoo-no-Mikoto】
He is the youngest child of the three brothers and has older sister "Amaterasu" and older brother "Tsukuyomi". They are children whose father is "Izanagi" and mother is "Izanami".They live in the Land of gods known as "Takamagahara".
He carried out a number of violence and caused trouble to people.
As a result, he was expelled from Takamagahara and moved to the human world.

【Meaning】
There is a theory that "須佐/susa" is a word
that means "凄まじい/susamajii (tremendous)" in Japanese.
”之/no” is a conjunction "of".
“男/o” means ”male”.
”尊/mikoto” is a word that after the name of a god or a noble (Lord; Highness).
Colloquially, "The crazy guy." lol

【Concept】
He carries the bronze sword “Kusanagi-no Tsurugi”. This is one of the "three sacred treasures" and is the most famous sword in Japan. “Kusanagi-no Tsurugi” is dedicated to Atsuta Shrine in Aichi Prefecture, Japan.
The sword is now sealed and no one has seen it.