Characters and protagonists of immunotherapy

Patrick
T cell (lymphocyte)

Domingo
Dendritic cell

The Boss
T cell (lymphocyte)
The human body police
These cells composing the immune system, can fight against bad invaders such as pathogenic bacteria or viruses; they are part of the human body's police team.
Patrick has belonged to the human body's police team for a long time : as a cytotoxic T cell, he goes into action in the field to neutralize suspects.
Domingo, a junior inspector, he is a dendritic cell. He is an expert both at finding clues about suspicious cells and at providing information to Patrick and other T cells (lymphocytes).

Civilians
Normal cells
The normal cells
Civilians are normal cells of the human body that are not considered suspicious.

Gangsters
Cancer or tumoral cells
The cancer cells
However, "abnormal" cells, known as gangsters, under certain conditions can manifest anarchic and uncontrolled behaviors : they are identified as cancer or tumoral cells.