Reiner is a central character in the beloved anime series, Attack on Titans. This powerful individual plays a key role in the narrative, captivating audiences with his engrossing presence. The ferocity of his character is a driving force behind the success of the show. Reiner's unwavering loyalty and strength make him a cult icon in the anime community. Attack on Titans fans cannot help but be enamored by Reiner's invincible spirit, making the show's immense popularity.