Often called Coryo, his full name is Coriolanus Snow. He appears in The Ballad of Songbirds and Snakes, otherwise known as la Ballade du Serpent et de Oiseau Chanteuse or Ballada de Pajoras Cantores y Serpientes. He later returns in the rest of the Hunger Games trilogy as the evil president.
In The Ballad of Songbirds and Snakes he is very hot and probably not quite straight. He makes a mistake and gets his best friend hanged, then later shoots his girlfriend.
Coryo is a meanie.
Coryo went shooty shoot all around the place where his girlfriend was and probably killed her.