Sylvain is a playable character that appears in Fire Emblem: Three Houses. Sylvain is a student at the Officers Academy who hails from the Holy Kingdom of Faerghus and is a member of the Blue Lions.

Felix is a playable character in Fire Emblem: Three Houses. Felix is a student at the Officers Academy who hails from the Holy Kingdom of Faerghus and is a member of the Blue Lions.

Dimitri is a playable character and one of the main protagonists in Fire Emblem: Three Houses. He is the Prince of the Holy Kingdom of Faerghus and the house leader of the Blue Lions.

Hubert Von Vestra is the future Imperial Minister to the Emperor of Adestria, currently studying at Garreg Mach Officer’s academy.

(This is Fire Emblem: Three Houses Hubert specifically.)