" Musicians are irresponsible! " - Elena to MiguelElena Rivera is a character from Disney/Pixar's 2017 animated movie, Coco. She is voiced by Renee Victor. She is Miguel's grandmother, Coco's Daughter, and the ultimate enforcer of The Rivera's family ban on music. She loves her family very much, and will do anything to protect them. But when she gets angry, she wields a mean slipper.