Leatherhide in Both Modes.
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Leatherhide was a secret member of Cybertron's government from unstable events happening to make it commence. When Ironhide found him and revived him he was told that Cybertron is a baroned wasteland because of wasting problems that happened inside which made him decide to be a member of Roadkill's team. His beast mode is an Amargasaurus. (He is unknown to his universe counterpart)