Noma (The Twin Dilemma)

Noma and Drak were the Jacondan assistants to Azmael when he abducted Romulus and Remus Sylvest and brought them to Jaconda. When the Sixth Doctor, Peri and Hugo Lang were captured on Titan III, Noma secretly set the base to self-destruct. (TV: The Twin Dilemma)

Behind the scenes
Nick Brimble, Peter Childs, Emrys James, David Jackson and Bruce Purchase were considered for the role before Barry Stanton was cast. (TCH 40)