a caricature picture of firmicutes working as a mechanic

automotive bacilli bacillus bacteria bacteriologic bacteriological bacteriology bacterium cartoon causing character clostridia clostridiales clostridium cute emoticon emotion examination expression firmicutes funny germs happy illustration improvement light magnification mascot mechanic mechanical microbe microbiologic microbiological micrograph micrography microorganism photos plectridium prokaryote repair repairman smile technician tetanospasmin tools transmission vector workman wrench