Sec
From Tardis Wiki, the free Doctor Who reference
Sec was the leader of The Cult of Skaro and the Dalek responsible for the invasion of Earth in 2007. Encased in a fearsome Black design, Sec nearly succeeded in conquering Earth and destroying the Cybermen. Despite the Tenth Doctor's meddling and the eventual destruction of the Dalek army Sec escaped via a Time Shift. The other members of the Cult of Skaro were presumably sucked into the Void along with the Dalek army and the Cybermen.
See also
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