We All LOVE Harley Quinn, But Did You Know Those 7 Crazy Facts About the Clown Princess of Crime?


1. Harley is immune to acid

1. Harley is immune to acid

As we all know, the relationship between Harley and Joker is a bit ‘rocky,’ having its ups and downs. In one story line, Harley gets kicked out of the gang, befriending Poison Ivy. After some time, Ivy gives her a serum that grants her super strength and agility, as well as the immunity to acids and toxics.