A find-the-hidden-names puzzle from Pearls Before Swine!

(Yes, displayed twice for some viewers.)

As we said for a previous puzzle comic from PBS, This is a CIDU in the sense that there is something to solve. Or nineteen somethings to solve! And they are sort of OYs, to boot.

P.S. Geographic solvers, please “meter” your answer counts, and leave something for others to contribute.