Rose (formerly known as Rosalina) is the wife of Marvin and the adoptive mother of Jeffy and She is one of the main characters of the series. Rosalina made her debut in the American Idol reboot, but she wasn't properly introduced until "Mario's New Girlfriend!". She is a human who was born and raised in outer space by two green aliens, and it's possible but yet to be confirmed that she still lives with them. On October 27, 2017, Rosalina became the wife of Marvin.