Pearl Pureheart is an animated female mouse character created by the Terrytoons studio for 20th Century Fox. She became Mighty Mouse's main girlfriend in later more established cartoons, she herself is an outgrowth of the main attractive female mouse model used for the hero's several damsels in distress., and the object of Oil Can Harry's desire. Mighty Mouse has been kissed by many girls in the Terrytoon series, but Pearl is the hero's most constant love interest in the cartoons, being part of the show formula which sees her and Mighty Mouse in a desperate situation fighting Oil Can Harry's plans, and becoming his regular partner in the TV series.
She is a cute girl, with blond curly hair, and always nice dressed. Among all the Mighty Mouse love interests seen in the Terrytoon series, she is probably the sweetest and most sophisticated one. She is very feminine, and got an active character, capable of funny or strong reactions in some situations.