Nikephoros Doukeianos

Nikephoros II Doukeianos (or Nicephorus; Νικηφόρος Δουκειανός, Nikeforo Dulchiano; died 1040) was the catepan of Italy from 1039 until 1041. He saw the early rebellion of Arduin the Lombard, but not is completion. He was killed at Ascoli Satriano  early in 1040. With his death, the insurrection accelerated.

Source

 * Chalandon, Ferdinand. Histoire de la domination normande en Italie et en Sicile. Paris, 1907.