Raised by pure blood Predacons, Synth was a sparkling when her life was invaded by Decepticon Scientist Shockwave. Modified in a lab and trained by the ruthless Decepticons, Synth was created to be a weapon. Precise and carrying a no-nonsense attitude, Synth took down cities back on Cybertron, killing hundreds. But, after a change of spark when meeting two Autobots, and even falling for an Autobot femme, Chainslide, Synth had left the Decepticons and escaped to Earth in search of a new life. Befriending a human named Jodie, the Predacon tries to forget her violent ways, stubbornly accepting new ways of living.