Loretta Santini is a multifaceted Mexican artist recognized for her extensive work in the Latin American Spanish dubbing industry as a voice actor, music director, and adapter. Her career began in the world of anime, making her dubbing debut with the series Honey Honey no Suteki na Bōken, where she voiced the character Princesa Florence. This role marked the start of a long and varied career that would see her become a familiar voice in both animation and live-action dubbing.

Beyond her debut, Santini's anime filmography includes a range of diverse characters. She voiced the character Mara in The Adventures of Mini-Goddess, Medusa in Ghost Sweeper Mikami, and Tsukiko Kagetsu in the popular series Naruto. Her work also extends to more recent productions, such as the role of Bridge in the animated series Cannon Busters. Other notable anime credits include Shia Has in Tylor, the Irresponsible Captain and Professor Chevreusse in The Familiar of Zero.

In addition to her on-screen roles, Loretta Santini has made significant contributions behind the scenes. She has served as a music director for the Mexican dubs of several major franchises, including various series in the Dragon Ball franchise such as Dragon Ball, Dragon Ball Z, and Dragon Ball GT, as well as for Dr. Slump and Ojamajo Doremi. Her work also included the adaptation and musical direction of songs for the dubbing company Intertrack.

While her work in anime is substantial, Santini is also widely recognized throughout Latin America for her voice work in other animated series. Her most prominent role is as the voice of Edna Krabappel in the first fifteen seasons of the iconic series The Simpsons. Her other notable roles in animation include Charlotte "Carlota" Pickles in the Rugrats franchise, Morgan Proctor in Futurama, and the first voice of Dowager Hatt in Thomas & Friends. This extensive body of work, ranging from classic anime to beloved Western cartoons, has established Loretta Santini as a respected and enduring figure in the world of Latin American dubbing.