Fathom

 Fathom is a standard Decepticon, or ordinary bot in his ranks, like many bots he's not that ambitious compared to the other higher ranking bots and is contempt  as being a soldier for the Decepticon cause.

Fathom is a space expert, especially ass a trooper who specialises in fighting toe to toe in space and his flight skills in space are comparable to the flight skills of the seekers when there in air combat.

He's also in a relationship with Amory.

History:

Fathom was born in the late Zeta era of Cybertron and joined the Decepticon cause in his high school years. At some point during the great war he got into a relationship with Megatron's Daughter Amory.

He was present during a meeting where Blitzwing was showing the intercepted conversations of Ginrai and Megastar and urged Amory to attack it though she refused.[Meeting Aqwarius]

He tried to comfort Amory when she was sick of energon poisoning and with Scrounge help got a cure from Cognive.[Curing Amory]

Notes:

He is based on the titans return Titanmaster of the same name.