Amoeba

Amoebas are microscopic protists that live in lakes and ponds and other crap.

Facts
They eat bacteria, parameciums and cougars.

They are 200 micrometers long or 14,000,000 hydrometers long or 1 amoebameters long or 0.23 tiniestyoucanseemeters.

They are more complex than bacteria, but Amoebas can't do math.