Cells at Work
An educational and entertaining medical story that personifies cells inside the human body.
Featured characters
Characters in this work
Characters — 34 characters
Red Blood Cell AE3803
A clumsy rookie red blood cell prone to getting lost, responsible for transporting oxygen and nutrients throughout the body.
White Blood Cell U-1146
A calm and serious neutrophil who unrelentingly eliminates foreign substances in the body and is one of the main protagonists.
Macrophage (Leader)
A gentle and calm female who leads a powerful group of immune cells that capture and kill foreign invaders.
Platelet Leader-chan
The leader of a group of platelets depicted as young children who repair blood vessel wounds.
Killer T-cell Squad Leader
A muscular athletic leader of the immune system's combat unit.
Helper T Cell
A lymphocyte acting as a commander that transmits antigen information and directs immune cells.
Naive T Cell
An immature T cell that activates upon antigen presentation and differentiates into various types of T cells.
Memory T Cell
A type of T cell that retains immunological memory and enables rapid response to the same antigen.
B Cell
A lymphocyte that produces antibodies to eliminate pathogens.
Memory B Cell
A lymphocyte that remembers past antigens and assists B cells in producing antibodies.
Mast Cell
An immune cell that secretes chemicals such as histamine, triggering allergic reactions.
Natural Killer (NK) Cell
A lymphocyte that attacks cancerous and virus-infected cells based on self-recognition.
Dendritic Cell
An immune cell that presents antigen information to helper T cells.
Monocyte
A powerful immune cell that exits blood vessels and differentiates into macrophages.
Erythroblast
Precursor red blood cell that matures in bone marrow before entering circulation.
Red Blood Cell AA5100
Senior to AE3803, a skilled red blood cell assisting in delivery tasks.
White Blood Cell No. 4989
A neutrophil engaging in combat, friend of No. 1146, known for a free-spirited personality.
Red Blood Cell NT4201
A competent and cool rookie red blood cell, acting as AE3803's mentor.
White Blood Cell No. 2048
A neutrophil with a bob cut, friend of U-1146 number.
White Blood Cell No. 2626
A neutrophil with front hair covering the eyes; a friend of U-1146 number.
Red Blood Cell DB5963
Leader of transfused red blood cells, a young man with a distinctive dialect.
White Blood Cell No. 2001
A short-haired neutrophil individual acting as a mentor to rookie white blood cells.
Killer T Cell Squad Leader
Leader of Killer T cells, somewhat rough but caring and athletic.
Immature Thymocyte (Pre-helper T Cell)
Early thymus-stage immature T-cell precursor.
Eosinophil
An immune cell defending against parasitic infections, depicted as an aggressive female.
Basophil
An immune cell releasing histamine that causes allergic reactions, depicted as a mysterious man with an umbrella.
Mast Cell (Woman in Lab Coat)
An immune cell controlling histamine secretion, known for a hot-tempered and easily angered personality.
Yellow Staphylococcus aureus
A commensal bacterium that can cause infections, portrayed as an antagonist in the series.
Pneumococcus
A potent bacteria causing pneumonia, depicted as a humanoid monster.
Influenza Virus
An infectious virus that attaches to human cells, zombifying them to reproduce inside the body.
Cancer Cell
Abnormal cells that grow uncontrollably and attempt to take over healthy cells.
Yellow Staphylococcus aureus (Hataraku Saikin)
The character of yellow staphylococcus aureus portrayed as an harmful bacterium in 'Hataraku Saikin'.
Helper T Cell (Cells at Work! Friend)
A lymphocyte from 'Cells at Work! Friend' who sometimes talks down to other immune cells.
Killer T Cell (Cells at Work! Friend)
A high-handed but timid killer T cell who struggles to fit in with other cells.