Reiner is a central character in the iconic anime series, Attack on Titans. This powerful person plays a key role in the storyline, captivating audiences with his engrossing presence. The fierceness of his persona is a driving force behind the success of the show. Reiner's unwavering loyalty and strength make him a fan-favorite in the anime community. Attack on Titans fans cannot help but be enamored by Reiner's invincible spirit, making the show's immense popularity.