Zenos yae Galvus
About
Zenos yae Galvus is one of the central antagonists of Final Fantasy XIV, being the main antagonist of Final Fantasy XIV: Stormblood, the secondary antagonist in the post-Shadowbringers main scenario, and the tertiary antagonist of Final Fantasy XIV: Endwalker.
In the manga Final Fantasy XIV: Shiritsu Eorzea Gakuen, Zenos is a student.
(Source: Final Fantasy Wiki)