Johannes "Jojo" Betzler is a fictional character from the film Jojo Rabbit, directed by Taika Waititi. Set during World War II, Jojo is a young German boy who is a member of the Hitler Youth. He idolizes Adolf Hitler and is enthusiastic about the Nazi ideology, which shapes his worldview. As the story unfolds, Jojo discovers that his mother, Rosie Betzler, is hiding a Jewish girl named Elsa in their home. This revelation challenges his beliefs and forces him to confront the realities of war, prejudice, and humanity, leading to significant personal growth throughout the film.