Staphylococcus Aureus

Staphylococcus Aureus is a recurrent antagonist in Cell at Work. She in the anime is the main antagonist in episode 2, that she is the leader of a group of bacteria that the other Cells, despite her being easily killed by U-1146. In episode 10, Staphylococcus appears again but this time, with a group of Staphycoccus appears for revenge, for the death of the first Staphylococcus that appeared in episode 2, they fight the Neutrophil, they merge, but in the end are defeated and killed.

Personality
Staphylococcus among all bacteria, it is more sadistic among them all the smartest and strategist, she also a divergence when she is in a group along with other Staphylococcus because although one of her prefers to stay and fight, the others prefer to flee.