Sparky, also known as Experiment 221, is a character in the Lilo & Stitch franchise and an illegal genetic experiment created by Jumba Jookiba. He first appeared in Stitch! as the first experiment to be activated and rehabilitated. The Film. He's made to send forth crippling electric surges. His true home is powering Kilauea Lighthouse, which had been abandoned for years due to its high energy consumption.