De Niro

Miyu’s invention who serves as her attendant. An egg shaped robot with a mouth, not radio controlled but an advanced A.I that gives him free will and thoughts and also a bullying attitude. Likes to molest electronic appliances. Love to sing karaoke, however his voice is designed as a powerful weapon which can cause serious brain damage to people. He also utilizes several other tools and weapons throughout the series such as a drill and some form of a rocket system, however, it is unclear exactly with how many he has been equipped or of what they are capable. (Wikipedia)