These are fan-characters or concepts created for the purpose of parody.
“jAam! is a strange transdimensional Transformer. He is completely red, and only speaks in a...JAam!
“Mystery is possibly a Transformer. Maybe an Autobot. More likely a Decepticon. He's hiding...Mystery
“Being "On fire" is a characteristic of certain Transformers, which can fit several definitions...On fire
“Rob Jung can't believe it's not butter. B-) He's also big into Macs and the Democratic Party...Rob Jung