Simply being one of the best characters of all time, Eren tops the Shingeki no Kyojin cast, along many other Anime characters, with his superb character development. 1 Eren Jaeger - Shingeki no Kyojin Eren Yeager, spelled Eren Jaeger in the Funimation dub, is a fictional character appearing as the protagonist from the manga series Attack on Titan by Hajime Isayama.