In the episode Monster Arm, a bratty and rich boy named Jeremy Birnbaum debuted as a karate student at Marco Diaz's dojo. Despite being younger than Marco, the boy in our fanart Star vs. the Forces of Evil cursor often bullies him. He has light skin, light brown hair, blue eyes, and brown freckles. During karate practice, Jeremy wears a white gi with a black belt, a white headband, and red gloves. Outside the dojo, he wears a light blue shirt, light green pants, and white shoes.