Miriam Pickles is a very active senior citizen and Grandpa Lou's cousin. She has been known to drive quite recklessly. She wears a wig and once lived in her own apartment, but eventually moved to a senior community, where she liked it so much that she talked her cousin, Lou Pickles, into moving there. It is revealed that during their childhood, Mim was very cruel to Lou by teasing him and threatening his life. Their relationship is very similar to what Angelica and Tommy have. When she comes to visit the family, Angelica takes an immediate liking since Miriam remarks that she was just like her.