Bumblebee

Bumblebee, formerly known as B-127,he is also the titular protagonist of the Bumblebee movie.

1987
Dispatched to Earth to consider its potential as an Autobot base, unfortunately he landed in the middle of an army training mission, and was subsequently attacked by Blitzwing. B-127 was able to destroy Blitzwing, but in the process his vocal processor was ripped out, and the battle-damage compromised his memory. Scanning the new form of a VW Beetle, B-127 went into a shutdown state, eventually ending up in a mechanic's shop, where he was discovered and purchased by Charlie Watson. Learning of his true nature, Charlie was able to repair his more superficial damage, naming him 'Bumblebee' after the sounds he was still able to make, and eventually inspired him to communicate through the radio. After a confrontation with the Decepticons Shatter and Dropkick, Bumblebee and Charlie decided to part ways, Charlie recognizing that Bumblebee would be safer living away from her, although he kept his new name as a memento[2]. as B-127,he is the titular protagonist of the Bumblebee movie.