Kimberly Ann Hart is a fictional character from the Power Rangers universe. She has the longest tenure of any female ranger in the series' history, and fourth overall. Kimberly is best remembered as the first Pink Ranger (pterodactyl) and first Pink Ninja Ranger from the first entry of the franchise Mighty Morphin' Power Rangers. She is played by American actress Amy Jo Johnson during the first three seasons of the show, plus on the two feature films of the franchise, and is played by British actress Naomi Scott in the 2017 reboot film.