Sontaran (The Continuity Cap)
From Tardis Wiki, the free Doctor Who reference
A lone Sontaran was present at a terrible war fought on the Hyffon home world during the Dark Times. (COMIC: The Continuity Cap).
Behind the scenes
This Sontaran is actually a promotional image of Dan Starkey as Skorr, which was featured in a competition as part of DWA 67. Active readers who found the image hidden in the magazine were given a chance at winning a Doctor Who Uno card set.