Maxaa dhacay goor hore, dabeecada loo yaqaano Master markii ugu horeysay soo muuqday ama Roger Delgado dhintay? Marka la eego su'aasha hore, ku qor macnaha guud ee jawaabta. Waxay noqon kartaa 1 ilaa 20 jumladood. Macnaha guud:
Sayidku waa cadowga ugu weyn ee Doctorka, waa khaa'in waqti Lord ah oo raba inuu xukumo caalamka. Waxaa loo yaqaanay "Professor Moriarty to the Doctor's Sherlock Holmes", qofkaan ayaa markii ugu horreysay soo muuqday 1971. Sida Dhakhtarka, doorka waxaa soo bandhigay dhowr jilayaal, maadaama Masterku yahay Sayid Waqti iyo sidoo kale awood u leh inuu dib u soo nooleeyo; jilaahii ugu horreeyay ee jilayaashaas wuxuu ahaa Roger Delgado, oo sii waday doorka illaa dhimashadiisii 1973. Masterka waxaa si kooban u ciyaaray Peter Pratt iyo Geoffrey Beevers ilaa Anthony Ainley uu la wareegay oo uu sii waday inuu ciyaaro dabeecadda illaa inta Doctor Who uu hakad galay 1989. The Master wuxuu ku soo laabtay 1996 filimka telefishanka ee Doctor Who, waxaana ciyaaray jilaaga Mareykanka ah ee Eric Roberts.