Kate

Kate is a scientist a computerist and a agent, before Emma she created Mike, Suzy, Frankie and Goldy as Animatronics and 15 years later she got replaced by Emma and after that Kate turned into an animatronic of Freddy Fazbear's pizza and Animatronic was Toy Bonnie, not Toy Chica. Kate was unhappy after she was replaced by Emma.