Gretel Jeckeln is a prominent character in the anime series 'Schwarzesmarken.' She serves as the deputy commander of the 666th TSF Squadron, also known as the Schwarzesmarken, within the East German Army. Gretel is known for her strong sense of duty, intelligence, and calm demeanor under pressure. Her leadership skills and unwavering loyalty to her comrades make her a key figure in the squadron’s fight against the alien BETA, as well as the political intrigue within her own country.