Who wins?
Harley Quinn vs Poison Ivy
Harley Quinn wins 61% to 39%. 23 more put them in the same row. From Batman Villains Tier List. Pick a side.
mikej64 on Harley Quinn: went from a cartoon sidekick to a massive star
spicy_dumpling_1 on Poison Ivy: an eco villain who might have a point
Batman Villains Tier List: the full ranking