Written off as a jock by everyone including his father, and quietly the best engineer in the house.
Chase Stein is a high school lacrosse player who is often dismissed as a dumb jock and who shows real brilliance in engineering. Gregg Sulkin plays him.
The most uncomfortable thread in Runaways is his. His father is violent, his father is also the person whose work he most wants to be worthy of, and the series refuses to make that simple in either direction.