Seiko Ayase is a major character in the manga and anime series Dandadan, known as a powerful spirit medium and the grandmother of protagonist Momo Ayase. She is a skilled exorcist who uses her abilities to help Momo and her friends navigate supernatural threats, often appearing as a youthful-looking woman with white hair, red glasses, and a cigarette. She also goes by the alias "Santa Dodoria"

Turbo Granny" refers to a Japanese urban legend and a popular character in the manga/anime series Dandadan, based on the legend of "Turbo Bachan" (or "Turbo Grandma"). In folklore, she's a phantom who runs at incredible speeds, often behind cars, to cause accidents, while in Dandadan, she's a powerful yokai who initially curses the protagonist, Okarun, but evolves into a complex anti-hero who helps the main characters while still retaining her dangerous, grudge-fueled nature, particularly towards men. she stuck in a ceramic cat is an instructor.

Aira Shiratori (白鳥 愛羅, Shiratori Aira) is a major supporting character and ally in the Dandadan series, introduced as a narcissistic school idol. She gains supernatural powers through a connection with the ghost Acrobatic Silky, and her name, meaning "white bird" (Shiratori), "love" (Ai), and "silk" (Ra), references Swan Lake

Okarun (Ken Takakura) is the male protagonist of the manga/anime Dandadan, an introverted occult enthusiast who believes in aliens and UFOs, leading him to meet Momo Ayase and become involved in supernatural events. After a dare, he is cursed by the Turbo Granny, losing , and gains spiritual powers, transforming into a powerful, speed-focused entity while searching for his . He is fiercely loyal and protective of his friends, despite his initial skepticism and social awkwardness

Momo Ayase is the main female protagonist of the supernatural manga and anime series Dandadan, known for her strong, complex personality that blends teenage sass with a protective, empathetic nature. A high school student who believes in ghosts, she gains psychic powers after a supernatural encounter, leading her to team up with her classmate Okarun to fight paranormal threats, including aliens and yokai, while navigating her own insecurities and developing a genuine relationship with him.