Gretel Lovelace is a memorable antagonist from the anime series Black Lagoon. She is one half of the infamous Lovelace twins, known for their disturbing and unpredictable behavior. Despite her childlike appearance, Gretel is cunning and ruthless, often manipulating those around her to achieve her goals. Her tragic background as an orphaned war child deeply influences her worldview and actions. Gretel's role in the series brings a dark and emotional depth, highlighting the harsh realities faced by children in war-torn environments.