cartoon character of bacterium having a megaphone

acidophile acidophilus bacillus bacteria bacterial bacteriology bacterium biological biology bulgaricus bullhorn cartoon character cute delbrueckii dietary emoticon emotion expression fermentation food funny gram happy human illustration lactobacillus loudhailer loudspeaker mascot medical medicine megaphone microbe microbiological microbiology microorganism pharmacology positive producing salivarius science scream screaming shout smile speaker vector yell