Menasor was meant to be the ultimate Decepticon weapon, and perhaps he would have been if not for the fatal flaw in his design. His mind was designed to merge the psyches of the five Stunticons who compose his form. Unfortunately the great depth of resentment the four limb components feel towards Motormaster, plus the extreme differences in attitude that makes them less a team and more a destruction derby, and of course the tiny detail that they're all psychotic, has created a primal psychological rift and left Menasor an unpredictable mass of conflicting, chaotic impulses.
Extremely powerful, highly mentally unstable, and prone to violent tantrums where he lashes out at anything in range, Menasor is not a weapon to point and fire, but a raging monster to turn loose on the battlefield and then get as far out of range as possible.
Menasor is the combined form of all five Stunticons: