Rosa Diaz

Rosa Diaz is a fictional detective and one of the main characters on the FOX Network television series Brooklyn Nine-Nine. Played by actress Stephanie Beatriz, she was introduced in the pilot episode of the series. If Rosa smiles, it means that somebody is about to die. Or maybe they already died. Either way, violence is sure to follow. Rosa Diaz is as tough as they come. As a police detective for the Nine-Nine in Brooklyn, she is always ready to get into the thick of it, but usually finds herself performing routine office duties, which drives her nuts. She is friends with Jake Peralta is one of the few who finds humor in his antics. She barely tolerates Charles Boyle, thinks Amy Santiago is a stuck up know-it-all nerd, and actively tries to avoid the buffoonery of Michael Hitchcock and Norm Scully. However, she does have an appreciation and respect for her superior officer, Terry Jeffords.