Penny Polendina, daughter of Pietro Polendina. Yet, what most didn't know, especially Ruby, was that Penny was an android designed to battle Grimm while looking like a human. However, despite Pietro's accomplishments, he wasn't the first to build a robot meant to protect humanity. The first one lived with me after the creator sent him so he could learn to become a real Robotboy.
Crossover - Robot Boy & RWBY - Rated: T - English - Chapters: 1 - Words: 2,756 - Reviews: 3 - Favs: 20 - Follows: 23 - Published: 5/8 - Jaune A. - Complete