Omega

Omega is a fictional character from the long-running British science fiction television series, Doctor Who. In the context of the series, Omega is known as one of the founders of the Time Lords of the planet Gallifrey, and is a revered figure in Time Lord history together with the equally legendary Rassilon; the Third Doctor refers to him as the Time Lords' "greatest hero". His name is pronounced the British way, with the stress on the first syllable,as Oh-megah. Omega first appeared in the 10th anniversary story, The Three Doctors. The character was portrayed in The Three Doctors by actor Stephen Thorne and in Arc of Infinity by both Ian Collier and Peter Davison.