I'm beginning to think that the TAS villain Roland Daggett might be inspired by characters from Atlas Shrugged and The Fountainhead, after watching "Appointment in Crime Alley".
- His physical attributes closely match those of Howard Roark (at least, they both have trademark red hair)
- "Daggett" sounds like "Taggart", the protagonist of Atlas Shrugged
- In his speech to the Gotham Business Bureau (in which he appeals to them to allow him to tear down the slums in Crime Alley and redevelop), he argues that "the weak should not hinder the strong", which is pretty much the gist of Randian Objectivism.
I'll admit that's a pretty weak argument but eh, take it for what it is.
Also! I loved the episode "Eternal Youth", which had Poison Ivy running a health spa in which she was turning people into trees. That's the kind of villainous plot that I would fully expect Poison Ivy to undertake - it's certainly way more interesting than another horde of pirahna plants and giant roots lowering the property value of the affected neighborhood.