Robin Ellacott is a fictional character from the Cormoran Strike series, written by Robert Galbraith, a pseudonym for J.K. Rowling. She serves as the assistant to private investigator Cormoran Strike and plays a crucial role in the investigations throughout the series. Ellacott is characterized by her intelligence, resourcefulness, and determination. Over the course of the books, she evolves from a secretary into a skilled investigator, often taking on significant responsibilities in solving complex cases. Her dynamic with Strike adds depth to the narrative, showcasing themes of friendship and professional growth.