The Transformers franchise has numerous Cybertronians who've developed massive fanbases of their own. From iconic Autobot leader Optimus Prime to his Decepticon rival Megatron, these classic characters are the most recognizable parts of the franchise. Though these well-known characters are definitely the most popular, there are several other cool Transformers that some fans might be unaware of.
Source：https://www.cbr.com/comics-most-obscure-transformers/
