Bon Bonne (ボン・ボーン Bon Bōn?) is a character from the Mega Man Legends series. He is the youngest in the Bonne family, yet he is the biggest and strongest. He is a baby and the only thing he can say is "Babuu." Somehow, his siblings Teisel Bonne and Tron Bonne can understand what he's saying. Although he is just a baby, he is very dependable and actively participates in battles, also leading Servbots in missions. His body is made of parts created by Tron that can be swapped to adapt for the circumstances.