bacteria neisseria smart plumber cartoon character with tool

bacteri bacteria bacterial bacterium biology cartoon character cocci craftsman cute diplococci disease emoticon emotion expression funny generated gonorhea gonorrhoeae handyman happy illness illustration isolated magnification mascot mechanic meningitidis meningococcal meningococcus microbiology model neisseria objects pathogen pathogenic plumber plumbing proficient shape smile spherical surface tools unhealthy vector work workman