Sprout is an illegal alien experiment created by Dr. Jumba, holding the title as Experiment 509, and a cousin of Stitch. First appearing from the Disney's television series Lilo and Stitch, Sprout displays various abilities. As such it can grow its vines whenever he becomes agressive, attacking and biting its victims for defense. It can also grew to enormous size to deal with major threats. Sprout also appears in the second Disney Heroes vs. Villains war along with the rest of the experiments.