Seiko Ayase: The Eccentric Psychic Grandmother of Dandadan
Seiko Ayase is the quirky yet incredibly powerful grandmother of Momo Ayase in Dandadan. Known for her eccentric personality, casual humor, and unmatched spiritual expertise, Seiko provides both comic relief and guidance to the young protagonists. As a seasoned psychic and medium, she bridges the world of humans and yokai, offering wisdom, training, and protection.
Despite her eccentricities—often expressed through crude humor or unconventional behavior—Seiko is one of the most reliable and formidable characters in the series.
Character Summary Table
| Attribute | Details |
|---|---|
| Full Name | Seiko Ayase |
| Affiliation | Psychic Medium, Mentor, Momo’s Grandmother |
| Age | Elderly (exact age unknown) |
| Gender | Female |
| Hair Color | Gray (short, messy style) |
| Eye Color | Dark (often drawn with heavy lines for comedic effect) |
| Abilities | Spiritual awareness, exorcism, psychic techniques, protective barriers |
| First Appearance | Dandadan Chapter 1 |
| Created by | Yukinobu Tatsu |
| Personality Traits | Eccentric, humorous, blunt, wise, surprisingly nurturing |
| Known For | Psychic mastery, pervy humor, eccentric lifestyle |
| Status | Active |
Who Is Seiko Ayase?
Seiko is the grandmother of Momo Ayase and one of the most powerful psychics in Dandadan. Despite her eccentric personality, Seiko commands immense respect in the spiritual world for her knowledge of exorcisms, protective rituals, and yokai lore.
When Momo and Okarun stumble into the chaos of yokai and aliens, Seiko steps in as their mentor, teaching them about the spiritual forces they face while occasionally jumping into battle herself. Her mix of wisdom, power, and outrageous behavior make her one of the manga’s most beloved characters.
Personality: Eccentric Wisdom
Seiko is bold, foul-mouthed, and often shockingly candid—whether it’s teasing Okarun about his crush on Momo or making crude jokes. At first glance, she seems like nothing more than an oddball grandma, but beneath the humor lies a deeply compassionate and wise figure.
She genuinely cares for Momo, Okarun, and their friends, often putting herself in danger to protect them. Seiko’s eccentric humor contrasts with her unshakable bravery and her ability to read the flow of supernatural battles with ease.
Abilities and Powers
- Psychic Mastery
Seiko is a seasoned spiritualist, capable of perceiving and interacting with yokai, spirits, and curses effortlessly. - Exorcism Techniques
She can banish hostile spirits, create protective charms, and dismantle curses with precision. - Protective Barriers
Seiko can cast spiritual shields that defend allies from supernatural attacks, buying time for others to recover or counterattack. - Spiritual Guidance
Unlike Momo, who is still developing her powers, Seiko understands the intricacies of psychic energy, passing down her teachings and insights.
Key Relationships
- Momo Ayase (Granddaughter)
Seiko loves Momo deeply, even if she expresses it in tough-love ways. She takes pride in Momo’s budding psychic talent and supports her journey into the supernatural world. - Ken Takakura (Okarun)
Seiko quickly warms up to Okarun, recognizing his potential and gently (though embarrassingly) encouraging his bond with Momo. She becomes a mentor figure for him as he learns to control Turbo Granny’s power. - Turbo Granny
As a psychic, Seiko is fully aware of Turbo Granny’s danger, yet she helps Okarun adapt to his cursed condition instead of rejecting him.
Notable Appearances and Events
- Introduction (Chapter 1)
Seiko is introduced as Momo’s eccentric grandmother and immediately displays her larger-than-life personality. - Guiding Okarun and Momo
Provides critical training and advice as they face increasingly dangerous yokai and alien threats. - Protecting the Kids
Steps in during various supernatural encounters to shield Momo and Okarun, reminding readers that her strength is far more than comedic relief.
Quotes from Seiko Ayase
- “Yokai, aliens—whatever. They’re all punks if you know how to handle them.”
- “Okarun, if you’re serious about my granddaughter, you’d better not chicken out!”
- “A psychic’s job isn’t about strength—it’s about heart.”
- “People think I’m weird. Good. Weird keeps you alive.”
- “Momo, trust your gut. That’s the gift you inherited.”
Legacy of Seiko Ayase
Seiko Ayase is the backbone of Dandadan’s supernatural side—a mentor, protector, and comedic powerhouse. Her role balances the horror and action with moments of humor, warmth, and wisdom.
She represents the passing of spiritual knowledge across generations, embodying both the eccentricities of folklore mediums and the unshakable heart of a grandmother who will do anything to protect her family.
Seiko is proof that age, humor, and strength can coexist—making her one of the most iconic “grandma” figures in modern manga.