2. A boss character who appears in Final Fantasy series as the well known final boss. Also appeared in Dissidia series.
・Also a faction which all FF characters appeared in Dissidia series,
against the Cosmo warriors.
3. A character in Tsukihime series, See : Nrvnqsr(ネロ・カオス).
4. One of the sub characters in the Tsukihime franchise (particularly Melty Blood series). See : Neko Arc Chaos.
5. The formless or void state preceding the creation of the universe or cosmos in the Greek creation myths. See : Chaos (cosmogony)
6. Chaos theory. A branch of mathematics and physics that deals with the behavior of certain nonlinear dynamical systems.
7. A team name in Inazuma Eleven.
8. A character in "Ultimate Muscle: The Kinnikuman Legacy". See : カオス・アヴェニール.
9. One of the characters in "GS Mikami".
10. One of the characters in 『魍魎戦記MADARA』, 夏凰翔.
11. A mobile suit in the Gundam series. See : "Mobile Suit Gundam SEED DESTINY", or Chaos Gundam for more info.
12. The Final Boss in the first Sonic Adventure game. A water elemental Chao which mutated into a guardian of their species.
13. An Angeloid in Sora no Otoshimono. Originally a loli Nun but went back to her original state later in the story.
14. A boss enemy in Super Donkey Kong 3.
15. A character in the manga version of "マグマ大使". A supreme presence where neither the characters with the highest position dare to raise their against against it.