Vok

A  mysterious species which inhabits the nebula of Nexus zero, The Vok are a race of extradimensional entities who were created by Weirrall, Highly scientific, their know to carry out many experiments on backwater planets, and are praised for their exotic technology.

As most species can't perceive their true form(minus Cybertronians), they often take up avatars, some which can cause great destruction.

History:

At the beginning of the current Multiverse the Vok species were created by the cosmic entity known as Weirrall, taught science by their creator, they made a small but centralised territory in the milky way galaxy to call their main hom(across all realities).

Around 8 million years ago, a rogue Vok called Darknova tried to destroy Charr but was stopped by his brethren[Attack on Charr] two of their Transmetal drives also ended up on earth, the second was recovered by them later on[Truse,Transmetal]

Notes:

Their based on The Vok