- You may be looking for his fellow crewmember, Zena.
When the Daleks invaded the station, he and Osborn went to try and kill Davros, but the Daleks had pumped poisonous gas into the station. Unknown to him, the gas began to disfigure his face and hands. The crewmember saw his hands, and turned to face Osborn. When he began to move towards her, Osborn, shocked by his appearance, shot and killed him. (TV: Resurrection of the Daleks)