So, yeah. I Made up a character for power core combiners. He turns into a firetruck and his minicon partner becomes an axe and a gun for him. I made up a backstory for him, too: Blast-head, an Autobot coward, is possibly the most dangerous mechanoid ever created. Inside his brain is a microscopic bomb that contains a radioactive black hole. If his head is ever destroyed, the entire universe will implode and collapse into itself. His minicon bodyguard, Circuit, has the braveness of a lion. He protects Blast-head and makes sure the Decepticons never get hold of him. Together, they make an imperfect team. C&C welcome! in case you were wondering, he's mainly based on energon Barricade, g1 Perceptor, and RID Ultra Magnus & Prime, design-wise.