Mental Floss offers the origin of superheros and supervillains. Did you know Lex Luthor used to have a full head of red hair?
Orson Scott Card rakes JK Rowling over the coals for suing an author for writing something that she herself read, used, and found valuable while she was writing the Harry Potter series. Turns out she’s done quite a bit of lifting herself. I think that Card is making an argument of HP to Ender that isn’t really relevant/useful, but it is an interesting insight.