In the Michael Bay live action films as well as in the CGI-animated series Transformers: Prime, the title Autobots is explained to be the short version of the title Autonomous Robotic Organisms.
In the second season of The Transformers, electrum is an element that allows the Autobots and Decepticons to become virtually invulnerable to enemy firepower.
Autobot |
Alpha Trion is mentioned by Optimus Prime as the Great Autobot Historian who preserves Vector Sigma.
Arcee - A female Autobot who turns into a motorcycle, voiced by Sharon Alexander.
Optimus Prime (Autobot; Deluxe; Kenworth T800 COE semi-trailer truck) - a completely separate mold from the Voyager model, similar in design to Robot Masters G1 Convoy.
Wheeljack, the Autobot's "scientist", who transforms into a blue Mercedes-Benz car.