Optimus Prime is the fearless leader of the Autobots; Bumblebee is the one of the smallest Autobots, but he makes up for his size with his big heart and determination; Ironhide is built to last and prefers actions to words; and Jazz is Optimus Prime's right-hand man who has his finger on the pulse of Earth trends and lingo, effortlessly incorporating human slang into his vocabulary. When these Autobots join forces, they they are powerful enough to protect the galaxy from the evil Decepticons.