The 大tsutsuki clan (大 筒 木 一族, 大tsutsuki Ichizoku) is an ancient clan of celestial beings (天津人, amatsuhto). an ancient clan of horned celestial beings (♥♥♥. 天津人, Amatsubito).

As a parasitic species, they have spent thousands of years traveling through space, fulfilling their Will Оtsutsuki (大 筒 木 の 意志, tsutsuki no Seek), the belief that clan members consume life energy and genetic material from other worlds. to constantly evolve with the ultimate goal of achieving divinity.

After part of it arrived on Earth about a millennium ago, the tsutsuki continued to exert an extremely significant and lasting influence on humanity, among other things, initiating the history of shinobi.