Drak (The Twin Dilemma)
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Drak and Noma were the Jacondan assistants to Azmael when he abducted Romulus and Remus Sylvest and bring them to Jaconda. Mestor used him to eavesdrop on the Doctor's and Azmael's conversation, which burned out his brain and killed him. (DW: The Twin Dilemma)