We know it takes 1 Mrs. True to take down Everett. How many average people would it take? If they all banded together in this moment and took him on, what would the casualty rates look like?
Everett is at least a minor toon force user, so normal power scaling doesn't apply. He can beat anyone or be beaten by anyone depending on which is funnier.
Mrs. True can usually overpower him because he's usually being a jerk to her, but when she's in the wrong she's usually cowed by him.
The entire city's population, all five boroughs, would fall like wheat before him. It might take a week, since he would have to keep replacing his umbrella.