Jennifer "Jenny" Wakeman (XJ-9) is the main protagonist and the "16-year-old robot" to which the title refers, a state-of-the-art gynoid automaton created by Dr. Noreen Wakeman five years prior to the series, though she was designed as a 16-year-old girl. Though XJ-9 was designed to be Earth's protector, armed to the teeth with a wide range of weapons, devices, and transformations, she desires to live the life of a normal teenager and often makes this desire quite apparent to her friends and creator.
Robotboy is the main robot protagonist of the series. Being a Robot, he possesses many superhuman abilities such as being able to fly, possessing tremendous strength and super speed. He also is very equipped with unbreakable armour, weapons and all sorts of gadgets ranging from an interior compass to a missile launcher. He can turn into a Superactive mode which increases all of his abilities ten-fold. In this form, he is nearly unstoppable. Though he is a super-advanced fighting robot he runs on double-A batteries. Despite these incredible abilities, he longs to be a human like everyone else, similar to Pinocchio. He is also known to have a violent temper, such as lashing out at people who harm his friends.
Who would win a Death Battle?