Harper wears a yellowish jumpsuit, goggles, a brown hood, and black boots.
Harper is brave and intelligent, but can sometimes be quite stubborn, something not even Ivor can surpass. She is loyal and caring to Jesse and friends.
Harper is an excellent inventor, being responsible for the creation of PAMA, the Mind-Control Headset, and several robot greeters.
- Harper's favorite flower is a rose (for obvious reasons).