10 Best Attack On Titan Characters Ranked CBRReino is a central character in the iconic anime series, Attack on Titans. This powerful person plays a key role in the plot, captivating audiences with his compelling presence. The fierceness of his nature is a driving force behind the success of the show. Reiner's unwavering loyalty and strength make him a beloved character in the anime community. Attack on Titans fans cannot help but be enamored by Reiner's formidable spirit, adding the show's immense popularity.