Star Butterfly is a fictional character from the animated television series Star vs. the Forces of Evil, created by Daron Nefcy. She is a teenage princess from the magical dimension of Mewni and is known for her adventurous spirit and powerful magic. Star wields a magical wand that allows her to cast spells and create portals. Throughout the series, Star navigates life on Earth while battling various villains, including Toffee and Ludo. She forms strong friendships, particularly with her best friend Marco Diaz, and learns valuable lessons about responsibility, friendship, and the importance of embracing her identity.