O-3 is Tokio and Karen's new robot companion who replaced Pikobo in Time Bokan: The Villains' Strike Back. His full name is "OTNP55 Etcetra Etcetra Etcetra Deluxe 3". He has a narcissistic personality but possesses human emotions. He is love in Calen showing a bit of a perverted side. But it has a secret nobody knows.