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Insect-headed alien in a yellow star-covered hoodie and straw hat raising a red boxing glove while grinning widely across a sunset rice field
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Mantisian's Race

Character

The Mantisians are a species of muscular, crab-headed aliens hailing from the Dover Demon's homeworld. Renowned for raw strength and durability, they bleed white blood that is identical to the milk of Earth's cows.

Home: Dover Demon's Planet
Anime Debut: Episode 8
Manga Debut: Chapter 20
Classification: Aliens; Race
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Overview

Often called Mantisians, this race comes from the Dover Demon's planet, a world now gripped by conflict. Their society runs on a tiered structure: the Dover Demon described himself as belonging to one of its lower, weaker classes. Technologically, the race builds spaceships and battle armor to support its combatants.

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Mechanics

Physically, Mantisians take the shape of muscular humanoids topped with the heads of freshwater crabs. Their most striking biological quirk is their blood, which runs white and is in fact the same liquid as the milk drawn from Earth's dairy cows. That overlap is what allowed Seiko to substitute cow's milk for a Mantisian blood transfusion.

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Notable Users

The race is built for combat, packing tremendous strength and exceptionally tough bodies that suit them to work as fighters or bodyguards. Their abilities were shown chiefly through the Dover Demon, also known as Mantisian, yet the full ceiling of the species remains unknown, since he ranked as a weak member and was scolded by the Serpo for poor showings in battle.

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Frequently Asked Questions

What are the Mantisians in Dandadan?

The Mantisians are a species of muscular, crab-headed aliens in Dandadan, hailing from the Dover Demon's homeworld. They are renowned for raw strength and durability, and they bleed white blood identical to the milk of Earth's cows.

Where do the Mantisians come from?

The Mantisians come from the Dover Demon's planet, a world now gripped by conflict. Their society runs on a tiered structure, and the Dover Demon described himself as belonging to one of its lower, weaker classes.

What is unusual about Mantisian blood?

Mantisian blood runs white and is in fact the same liquid as the milk drawn from Earth's dairy cows. That overlap is what allowed Seiko to substitute cow's milk for a Mantisian blood transfusion.

Who is the most notable Mantisian?

The Mantisian race's abilities were shown chiefly through the Dover Demon, also known as Mantisian. He ranked as a weak member and was scolded by the Serpo for poor showings in battle, so the full ceiling of the species remains unknown.

What are the Mantisians known for?

The Mantisians are built for combat, packing tremendous strength and exceptionally tough bodies that suit them to work as fighters or bodyguards. Their race also builds spaceships and battle armor to support its combatants.

Sources & Information

Looking for more on Mantisian's Race? The Dandadan Wiki on Fandom has a dedicated page with community notes.

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This content is original writing by Daddy Jim Headquarters based on the Dandadan anime series, manga, and official materials. Episode and chapter references are cited where applicable.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical key visuals, credited to Science SARU and the production committee.
  • Game pages: official promotional artwork, credited to the licensed publishers.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Yukinobu Tatsu.

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