Yellow Staphylococcus aureus

Villainous bacteria inside the body

A bacterium normally resident in the human body but can also cause infections. In 'Cells at Work!', it appears as an antagonist. Depicted with feminine mannerisms and a distinctive octopus-legged form.

Quotes

  • “Yellow Staphylococcus aureus, proliferation begins!”
  • “This body should be under our dominion!”
  • “Invasion from the abrasion—preparations are perfect!”
  • “Neutrophils? Come at me!”
  • “You immune cells are annoying. But I won't lose!”

Trivia

  • Yellow Staphylococcus aureus resembles Pneumococcus but has octopus-like legs for the lower body.
  • In Episode 15, multiple ones claiming to be 'righteous sisters' merged and gigantified.
  • A commensal bacterium always present in the human body, but depicted as a villain in the work.
  • One of the few villainous bacteria in the work with a feminine tone of speech.
  • The Yellow Staphylococcus aureus in the work sometimes collaborates and acts with certain other bacteria.

Alternate names

Yellow Staphylococcus aureus Oushoku budōkyūkin

Tags

Cells at Work! Yellow Staphylococcus aureus Bacteria Pathogen Villain Internal bacteria Infection Anthropomorphism Anime Manga

Profile

Species
Bacteria
Gender
Female

Appearance

Overall appearance
Pale purple in color, with tentacles bearing hooked claws extending from the head, and a feminine form with an octopus-like lower body.
Distinguishing features
  • Tentacles with hooked claws
  • Octopus-like lower body
  • Feminine mannerisms
Iconic items
  • Flag-bearing motorcycle
  • Ability to infiltrate using information
  • Ability to produce fibrin

Personality and abilities

Core personality
Villain
Detailed personality
Cunning and malicious, with a personality that enjoys strife. Uses information from Pneumococcus to infiltrate the body and scheme to spread the infection.
Keywords
  • Cunning
  • Brutal
  • Villain
  • Feminine
  • Strategist
  • Defeat
Talents
  • Infiltration through wounds on the body surface
  • Generation of fibrin in tissues
  • Expansion of infection
Skills
  • Lurking
  • Immune evasion
  • Binding and fusion
Motivation
Proliferation and expansion within the human body and onset of infectious diseases
Habits
Often collaborates with Pneumococcus, fusing to become gigantic.

History

Backstory
A commensal bacterium inhabiting the skin and intestines of the human body, but causes infectious diseases upon invading the interior or when immune function declines. In the story, it invades through abrasions, confronts immune cells like neutrophils, and as an enemy, sometimes gigantifies to assault.
Debut date
September 9, 2018
Work title
Cells at Work!
Media type
Anime
Episode or chapter
Episode 10

Joint invasion with Pneumococcus

Significant event
Joint invasion with Pneumococcus
Description
Uses information from Pneumococcus to target invasion into the body through an abrasion.

Fusion gigantification in Episode 15

Significant event
Fusion gigantification in Episode 15
Description
Multiple individuals claiming to be 'righteous sisters' fuse and gigantify, wiping out the neutrophil legion in one swoop.

Defeat by macrophage transformation from monocytes

Significant event
Defeat by macrophage transformation from monocytes
Description
Defeated by the attack of macrophage troops transformed from neutrophils and monocytes.

Relationships

Pneumococcus

Deploys an invasion strategy based on information left behind by Pneumococcus.

Streptococcus pyogenes

Acts together as a member of the legion.

Pneumococcus

Allies

Plotted invasion into the body through collaboration.

Yellow Staphylococcus aureus Legion

Yellow Staphylococcus aureus Legion: leader

Media appearances

Cells at Work!

Anime / Antagonist

2018 TV Series Season 1

Cells at Work!!

Anime / Antagonist

2021 TV Series Season 2

Cells at Work!

Manga / Antagonist

Kodansha Monthly Shōnen Sirius 2015-2021

Voice cast and creators

Mai Nakahara

Voice actor
Mai Nakahara
Language
Japanese
Version or series
TV Anime Seasons 1 & 2

Shinju Koze

Voice actor
Shinju Koze
Language
Japanese
Version or series
Live-action Movie Edition

Akane Shimizu

Creator name
Akane Shimizu
Role
Original author

Akane Shimizu

Creator name
Akane Shimizu
Role
Writer

Kodansha

Creator name
Kodansha
Role
Publisher

David Production

Creator name
David Production
Role
Animation studio

Related goods

Yellow Staphylococcus aureus Figure

Item name
Yellow Staphylococcus aureus Figure
Category
Figure
Availability
Limited

Cells at Work! Character Goods

Item name
Cells at Work! Character Goods
Category
Accessory
Availability
Regular