Jillian (voiced by Maryke Hendrikse) is Dark Vegan's daughter. She doesn't approve of her father's evil ways. She made friends with Johnny and has helped him save his world twice. As of the Fourth Season she is living comfortably on Earth, having successfully integrated into its culture. In her second appearance, it is revealed that she has a crush on Johnny, also once she was having a sleepover at his house and accidentally kissed him.