Who is the little lady bug serial killer?

The "little ladybug serial killer" refers to a fictional character from the popular animated series "Ladybug," specifically in the episode titled "The Dark Owl." In this episode, the character Nooroo, who can transform into a supervillain, embodies the concept of a serial killer in a playful and metaphorical way rather than literal. The character's actions serve to add tension and excitement to the plot while promoting themes of heroism and teamwork.