Which Decepticon combiner is formed by the Stunticons?

The Decepticon combiner formed by the Stunticons is Menasor.

Menasor is the combined form of five Generation 1 Decepticons: Motormaster, Drag Strip, Dead End, Breakdown, and Wildrider. Motormaster forms the central torso and head, while the other four Stunticons become the limbs. Together, they create a much larger and more powerful robot than any individual member.

The Stunticons were designed as a land-based counterpart to the Autobots’ Aerialbots. Their vehicle modes are high-performance or heavy road vehicles, reflecting the group’s highway theme. In the Generation 1 cartoon, Megatron helps create them to challenge the Autobots on the ground, and they eventually gain the ability to combine through Vector Sigma.

Menasor’s power comes with a serious weakness: the personalities of the five component robots remain in conflict. Their arguments and resentment can make the giant combiner confused or ineffective. The main mix-up is with Devastator, who is formed by the Constructicons, or Bruticus, who is formed by the Combaticons. Skylynx is an Autobot transport and does not form a Decepticon combiner.