Eternal Dalek

The Eternal Dalek was a white, angular eyestalked Dalek and the leader of the new Dalek Empire. It was created by the Progenitor and ordered the death of the impure Daleks and attempted destruction of Earth. It escaped through a time corridor. (DW: Victory of the Daleks)

The_Eternal.jpgd the scenes
The Eternal's name was given by Steven Moffat in Doctor Who Confidential.