[Colossal Titan AU] Erwin is a commander for the scouting regiment, he is fiercely determined and a strong leader. He inherits the Colossal titan instead of Armin.

Senji is a tall, muscular man with a tan. He wears his short black hair spiked back and has the letters DSMK tattooed above his right eye in memory of his former teammates. When he was still a police officer, he wore the standard police uniform. In Deadman Wonderland, he wore the regular prisoner uniform. When he was put in G Ward, he changed his clothes to dark blue pants with a black belt, a tank top, leather shoes, and a long black coat. He also has two rings with serrated blades built in them to slice open his forearms; he wears these on his thumbs. After his Carnival Corpse match with Ganta, he lost his right eye as part of the Penalty Game and now wears a black eyepatch.