Skids

Skids was an Autobot theoretician. He was also the brother of Mudflap. (He and Mudflap were also was a racial stereotypes). He eventually had an attack of conscience and joined the Autobot cause. (In reality the Hasbro overlords in conjunction with IDW completely rewrote his character.) He was eventually killed during the Shadow Wars on the Necroworld. He had a lot of guns.