He is Asian, has tan skin, brown eyes with a black glasses, black hair, light teal lab coat, tan shirt, and a brown tie.
Bob Chen is Dr. James Possible's old college buddy. Bob Chen majored in astronomy, and enjoys reminding Mr. Possible that he accidentally blasted off another rocket before its schedule. Bob Chen is also friends with Professor Ramesh. The two were kidnapped in a plot by Dr. Drakken to show off his "perfect" Bebe robots.