Kup stands as an exceptionally aged and battle-hardened Autobot warrior, among the oldest active combatants in their ranks. His extensive history encompasses countless conflicts and adventures, which he persistently recounts through elaborate war stories. While younger Autobots often react with impatience to his lengthy anecdotes, the Dinobots consistently value these tales. His personality merges rugged toughness with a curmudgeonly disposition, frequently showing irritation at perceived disrespect from younger Autobots—especially toward their elders. This friction prominently defines his mentorship of the rebellious Hot Rod, marked by regular clashes yet unwavering commitment. Within *The Headmasters* continuity, Kup’s role diverges sharply. After Scorponok’s destruction of Cybertron destabilizes Vector Sigma, he accompanies Rodimus Prime and Blurr on a mission to find a new Autobot homeworld, departing from their base on Athenia. This narrative explicitly omits the American *Rebirth* storyline, excluding his transformation into a Targetmaster partnered with the Nebulan Recoil. His involvement centers on this spacefaring journey alongside Autobot leadership. Other media expand Kup’s background. Marvel UK’s "Kup’s Story!" reveals he once suffered severe combat fatigue, retiring centuries before main events to drift in self-imposed exile. Encountering Hot Rod and Blurr during a pirate conflict, he initially refused aid beyond transport but, witnessing Hot Rod’s resolve, overcame his fatigue to rescue them and rejoin the Autobot cause. In the Japanese manga "Big War" #2, he fights alongside Rodimus Prime, Grimlock, Wheelie, and humans Spike and Daniel Witwicky against Galvatron’s forces, deploying Computron against Abominus. Marvel Comics depict Kup with Fortress Maximus’s crew on Cybertron before relocating to Nebulos. There, he initially advocated forceful tactics against Nebulans but complied with Fortress Maximus’s peaceful approach, surrendering his weapon. After Decepticons captured Autobot Headmasters, he upgraded to Targetmaster status to oppose Scorponok and Lord Zarak before both factions left the planet. Following the Underbase Saga’s depletion of veteran Autobots, he rose as Optimus Prime’s Security Chief and senior officer. He counseled Prime during crises, opposed Prime’s surrender to Scorponok, defended against Unicron-possessed cultists, survived Bludgeon’s ambush, and continued advisory and combat roles into the Generation 2 era.