Mamma Imelda is Miguel's great-great-grandmother in the Disney/Pixar 2017 movie, Coco. She is voiced by Alanna Ubach. She is the deceased matriach of the Rivera family, and the founder of their successful shoemaking business. Miguel meets Mama Imelda in the Land of the Dead and discovers that she does not share his passion for music. Her daughter is Mama Coco, and her husband is Hector. After Hector left her and Mama Coco to pursue music, she declared him dead to the family, and started the Rivera's shoemaking business.