Stenton Rull

 was a Topmaster and head of security for the Kaldor City Company. (AUDIO: Occam's Razor) When he was injured fighting the Tarenists, Cotton took over the position. (AUDIO: Taren Capel). When Rull found out that Cotton was working for Landerchild, Cotton tried to kill him in hospital. However, Rull had smuggled in a gun and was able to kill Cotton first. (AUDIO: Checkmate)