Kammala jumla mai zuwa: An fara ambata shi kai tsaye a cikin rubuce-rubucen tarihi na John Skylitzes a cikin 990s (ca. 994 a cewar Nicholas Adontz), lokacin da Basil na II ya nada shi, a lokacin da ya shiga cikin dogon
yaƙi da Bulgaria, a matsayin "strategos" a cikin Philippopolis. A cikin shekara ta 1000, tare da Nikephoros Xiphias, ya jagoranci rundunar da ta yi saurin kame sansanonin Bulgarian na Great Preslav, Little Preslav (Presthlavitza) da Pliska, suna kammala sake sanya ikon Byzantine akan sassan arewa maso gabashin jihar Bulgaria, wanda Sarkin sarakuna John Tzimiskes ya fara cin nasara a farkon 970s. Ba da daɗewa ba bayan haka, Theodorokanos ya yi ritaya saboda tsufa, kuma Xiphias ya maye gurbinsa.