Scorn

Scorn is what happens when you combine a destructive war machine with a predator. Nothing else so much as a destroyer on two legs, he's strong and massive. Not only capable of using his  Spinosaurus alternate mode in combat, Scorn is also a demolitions specialist and wields the Scrapmaker Sword in 'bot mode. His massive size makes him almost impossible to bring down.

Fiction
Scorn was trapped aboard  Lockdown's vessel until  Optimus Prime and the Autobots stole the section of the ship he was imprisoned on, though Optimus did not reveal the Dinobots' presence to his men until the time came for reinforcements. Optimus offered an ultimatum: stand with the Autobots against their mysterious Creators and  Galvatron's Decepticons, or face death at his hands. Grimlock submitted to his command when beaten in single combat by the Autobot leader, there by earning his respect, and Scorn and the other Dinobots followed suit. Scorn allowed  Crosshairs to ride him into the Hong Kong battle, where Scorn's massive size and lethal sail-spikes proved a great asset in turning the tide. Scorn accompanied the group to try to escort the Seed to safety, but Lockdown returned and turned his tractor beam on them. Scorn would've been recaptured by the bounty hunter had Optimus not destroyed the tractor beam. Scorn helped defend the Seed on a bridge with the other Autobots and Dinobots until Optimus was able to defeat Lockdown. The battle over, Optimus gave the Dinobots their freedom, and Scorn parted with Crosshairs on good terms, who even gave him a new nickname, "Spike".