Gavin Rymill
From Tardis Wiki, the free Doctor Who reference
Gavin Rymill was an illustrator for various Doctor Who works starting with Series 2 vanilla releases and box sets, and later Doctor Who DVD Files, Doctor Who Adventures and Doctor Who Magazine. He also provided monster renders for DVD including a Kroton and a Dalek for Death to the Daleks.
His most notable works to date includes the gate-fold cover of DWM 447 featuring most of the drone Dalek variants from the TV series and a dozen images in Doctor Who: Starships and Spacestations.