The Transformers are a sub-race of Cybertronian, a fictional species of sentient self-configuring modular robotic lifeforms. They are a blend of biological evolution and technological engineering. The exotic materials that make up their composition is a living metal with a self-replicating cellular structure and genetic info. Era: IDW / WFC Credits to Night runner, Juan Pixelated, Mark 116 , Mlas301 for helping me.