Eosinophil

Parasite-Destroying Spear User

An immune cell that responds to parasitic infections, depicted as an aggressive and cool female character.

Quotes

  • "Fulfilling my mission, that is my role."
  • "Parasite, it's over for you here."
  • "Even if embarrassed, I won't lose."
  • "Defense is my specialty."
  • "A fighting immune cell, that's Eosinophil."

Trivia

  • Eosinophil's pink outfit is based on the color from microscope images of experimentally stained cells.
  • The spear weapon is designed as a double-pronged spear modeled after the actual multinucleated structure of eosinophils.
  • Eosinophil is depicted as the immune cell most effective against parasite-type enemies.
  • The original work depicts her childhood as contemporaries with the neutrophil, acting as fellow recruits.
  • U-1146 (white blood cell) and Eosinophil show a strong bond from childhood.
  • M・A・O, the voice of Eosinophil, studied the basics of immunology for the role.

Alternate names

Kōsankyū Eosinophil Pink Twin Tails

Tags

Profile

Species
Humanoid Immune Cell
Gender
Female

Appearance

Overall appearance
Wears a pink jumpsuit, blonde twin tails, and holds a double-pronged spear as her weapon.
Hair color
Blond
Distinguishing features
  • Twin Tails
  • Pink Clothing
  • Double-Pronged Spear
Iconic items
  • Pink Jumpsuit
  • Double-Pronged Spear

Personality and abilities

Core personality
Cool
Detailed personality
Basically takes a calm and cool attitude, but has a shy side that is weak to praise. Passionately confronts parasites.
Keywords
  • Aggressive
  • Strong Sense of Duty
  • Cool
  • Shy
  • Feminine
Talents
  • Promoting Immune Response
  • Parasite Elimination
  • Combat Techniques
Skills
  • Spear Handling
  • Self-Repair Ability When Injured
Motivation
To repel parasites invading the body and protect the host's health.
Habits
Her expression changes easily when embarrassed.

History

Backstory
An important immune cell that fights against parasites invading the body. Unlike neutrophils, it specializes in large external enemies such as parasites and plays an active role as a defense.
Debut date
July 29, 2018
Work title
Cells at Work!
Media type
Anime
Episode or chapter
Episode 5

Anisakis Defeat

Significant event
Anisakis Defeat
Description
Among immune cells struggling against bacteria, Eosinophil single-handedly defeated Anisakis (a parasite) and demonstrated her prowess.

Contemporaries with Neutrophil

Significant event
Contemporaries with Neutrophil
Description
In her early days, she was contemporaries with Neutrophil U-1146 and trained together to protect the internal environment.

Role in Allergic Reactions

Significant event
Role in Allergic Reactions
Description
Involved in allergies as an overreaction within the body, sometimes causing friction between cells.

Relationships

U-1146 White Blood Cell

Best friend

Contemporaries from the bone marrow era, close comrades who have grown and fought together.

Basophil

Colleague

Releases chemical substances together and involved in immune responses, but clashes due to difficult terminology.

Mast Cell

Rival

Antibody reaction leads to responsibility disputes, resulting in heated arguments.

Immune Cell Group

Immune Cell Group: frontline-defense

Media appearances

Cells at Work!

Anime / Supporting

2018 TV Series

Cells at Work!!

Anime / Supporting

2021 TV Series

Cells at Work!

Manga

Ongoing

Cells at Work! Movie

Movie / Character

2024 Edition

Voice cast and creators

M・A・O

Voice actor
M・A・O
Language
Japanese
Version or series
TV Anime Seasons 1 & 2

M・A・O

Voice actor
M・A・O
Language
Japanese
Version or series
OVA and Related Works

Akane Shimizu

Creator name
Akane Shimizu
Role
Original author

Akane Shimizu

Creator name
Akane Shimizu
Role
Character designer

Related goods

Eosinophil Figure

Item name
Eosinophil Figure
Category
Figure
Availability
Regular

Eosinophil Acrylic Keyholder

Item name
Eosinophil Acrylic Keyholder
Category
Accessory
Availability
Regular