Rosarita Cisneros, also known as Roberta, is a prominent character from the anime series Black Lagoon. She is originally a maid in the Lovelace family, but her past as a former FARC guerrilla and trained assassin is revealed as the series progresses. Known for her formidable combat skills and relentless determination, Roberta is often seen wielding heavy weaponry with precision. Despite her violent past, she is fiercely loyal to the Lovelace family. Her character adds depth to the series, exploring themes of loyalty, redemption, and the struggle between past and present identities.