Yvric

Yvric was a humanoid Dalek scientist working in a secret base in the Polar Mountains, along with Lodian and Zet. He and Lodian discovered the location of the planet Earth, and built a spacecraft to go there. When the neutronic war occurred, the pole shifted and all three were frozen alive in ice. Centuries later, a Dalek hoverbout accidentally revived them. They soon determined they were the last of the original Daleks and that Yarvelling's creations had become the rulers of Skaro. Yvric believed that he could bargain with the Daleks, trade knowledge in exchange for becoming one of their leaders, but they exterminated him. (TV21: Legacy of Yesteryear)