Onslaught is a prominent Decepticon in the Transformers franchise, serving as the leader of the Combaticons. Known for his strategic mind and calm demeanor, Onslaught excels at battlefield tactics and coordination. He is typically depicted as a military transport vehicle and is instrumental in forming the powerful combiner robot Bruticus when merging with his fellow Combaticons. Throughout various Transformers series, Onslaught is portrayed as a loyal lieutenant to Megatron, often overseeing large-scale operations against the Autobots.