The Attack on Titan manga and anime series feature an extensive cast of fictional characters created by Hajime Isayama. The story is set in a world where humanity lives in cities surrounded by enormous walls a defense against the Titans. It is later revealed that the area where the Walls are located is called Paradis.
See also: Mikasa, Attack on Titan (TV series), Yui Ishikawa, Attack on Titan (film), Attack on Titan (season 1), and Trina Nishimura.