Bumblebee (known as Bumble in Japan, Moscardo in Portugal, Űrdongó in Hungary, Maggiolino in Italy) is the "little brother" of the heroic or protagonistic Autobot faction and a mascot, constantly striving to prove himself in the eyes of the other robots - especially his leader, Optimus Prime. This often causes him to take risks that put him in danger. Although a bit of a wise-cracker, he is a capable and reliable messenger and spy, his small size allowing him to go places that his larger commanders cannot. He is highly fuel efficient, has great visual acuity, is particularly adaptable to undersea environments and transforms into a Volkswagen Beetle. He was later reconstructed into a stronger, more mature form as Goldbug.