Chulainn (JP)​ is a playable character from Fire Emblem: Genealogy of the Holy War. He is the son of the Lord of Sophara Castle in southern Isaach, and is a former gladiator and descendant of Odo. He will join Sigurd's army after being defeated in the arena present in Chapter 2.

Chulainn is distantly related to Ayra, who is five years his junior. He is essentially Ayra's male counterpart and bodyguard. According to Chulainn, he developed a crush on Ayra at first sight, having met her when they were adolescents, an event portrayed in the Nattsu Fujimori manga adaptation.

Chulainn will fall in the Battle of Belhalla, alongside several of his fellow comrades.

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