Willingham was the alias used by Staal, a male Vulcan posing as a human ensign aboard the ISS Enterprise (NX-01) in the 2150s in the mirror universe. (ENT novel: Age of the Empress)
| ISS Enterprise (NX-01) personnel | ||
|---|---|---|
| Terran Empire Imperial Starfleet |
Jonathan Archer • Maximilian Forrest • Kelby • Newbill • Phlox • Hoshi Sato • Staal (Willingham) • T'Pol • Terev • Charles Tucker III • unnamed ISS Enterprise personnel | 
|
| Terran Empire MACOs |
Haffley • Matthew Kelly • Madden • McCain • Travis Mayweather • Malcolm Reed | |