a dedicated police officer of tetracoccus mascot style

agent anatomy back bacteria bacterial bacterium cartoon character cheerful cop copper cute design detective emoticon emotion expression funny guard happy hold icon illustration lab laboratory mascot microscope organism pathogenic pneumonia police policeman profession prokaryotic protect pyogenes research sarcinia science smile staphylococci staphylococcus streptococci streptococcus structure style system tetracoccus tetrad vector vibrio