Mimi Sensei is an adult rabbit character, recognizable by her yellow bow, red glasses, blue frock, and blue shoes. She serves as an elementary school teacher for young animal students. A foundational and recurring figure in the franchise, she debuted in the episode "Anpanman and Shokupanman" on October 17, 1988, appearing in nearly every animated film installment. Her presence is noted in the twelfth theatrical film "Soreike! Anpanman: Ningyo Hime no Namida," released July 29, 2000, as well as in other films like "Soreike! Anpanman: Bokura wa Hero" (1997) and "Soreike! Anpanman: Buruburu no Takarasagashi Daibouken!" (2017).