Davros is a major enemy of the Doctor, and is the creator of his deadliest enemies, the Daleks. Davros is a genius who has mastered many areas of science, but also a megalomaniac who believes that through his creations he can become the supreme being and ruler of the Universe. He has been played by Four actors, David Gooderson, Michael Wisher, Terry Molloy, and Julian Bleach. Davros was first seen in 1975 and made his final appearance in 2015