Overview
Byleth Eisner is a character in Nintendo's Fire Emblem franchise. They first appeared as the player character and main protagonist of the 2019 video game Fire Emblem: Three Houses, and have since appeared as a playable character in the 2017 and 2018 crossover games Fire Emblem Heroes and Super Smash Bros. Ultimate, being added as DLC in 2019 and 2020 respectively, and as the secondary antagonist in its 2022 spin-off game Fire Emblem Warriors: Three Hopes. In each game, players can choose between a female or male version of the character. The male version of the character also appears in the 2023 video game Fire Emblem Engage as an Emblem alongside other Fire Emblem protagonists.