Gearon
From Tardis Wiki, the free Doctor Who reference
Gearon was a representative of his home galaxy when he allied himself with the Daleks in their plan to conquer the Solar System. After he was betrayed by the Daleks, the Doctor convinced him to go back to his own people and warn them about the Daleks' invasion plans.
Gearon had a featureless, egg-shaped head and wore a visor.
