In the heat of Birds of Prey’s climactic face-off, antiheroine Harley Quinn tosses her temporary teammate Black Canary a hair tie, so Canary can pull her hair out of her eyes and continue to kick ass.

If he was starting out today, Dexter’s Laboratory creator Genndy Tartakovsky would “make cartoon after cartoon until something hits.” That was Tartakovsky’s pearl of wisdom delivered to a packed ...