Warning: Contains spoilers for Batman '89: Echos #5!! Since her introduction in Batman: The Animated Series, Harley Quinn has taken on a life of her own. Her quirky personality and dubiously gray ...

TRANSFORMING INTO MY ROBLOX HALLOWEEN COSTUME IN REAL LIFE! - Harley Quinn Road to 1 MILLION!! Don't forget to subscribe if you are enjoying the videos! ♡Today I thought it would be really fun ...

to the point where Harley Quinn was the go-to Halloween costume from 2016 onwards. Watch the full chat on BBC iPlayer and check out a snippet below. "I'm Harley f***** Quinn!" Margot Robbie on ...