Abraxas

Abraxas, also referred to as the Big Man, was an organic/mechanical hybrid.

Biography
Abraxas was created by the Sodality. (PROSE: Child of Time)

He was used as a henchman by Mestizer. After an incarnation of the Doctor arrived on East London, he was attacked by Mestizer and had his Cabinet of Light stolen by Abraxas. (PROSE: The Cabinet of Light)

Appearance
Abraxas was around eight feet tall, and bullet-proof. His body was mostly covered by leather, including thick black gloves for his hands and a tight leather hood around his head. (PROSE: The Cabinet of Light)