In fact, I found myself nodding along with the primary villain, Roman Sionis/Black Mask (Ewan McGregor), when he calls her “tiresome,” and with Black Canary when she calls her “that asshole nobody likes.” Picture a spoiled, entitled high-school-clique mean girl with the worst case of ADHD ever recorded and you’ve pretty much got Harley Quinn. That doesn’t necessarily mean you’ve started construction-at this point, we’ll mostly be looking to make sure you’ve decided on your concept and have things like detailed shopping lists, sketches, green lantern costume or images of purchased supplies.