Warrior
William F. Wu
Isaac Asimov's Robots in Time (3)
Predator
Isaac Asimov's Robots in Time (1)
Marauder
Isaac Asimov's Robots in Time (2)
Invader
Isaac Asimov's Robots in Time (6)
Emperor
Isaac Asimov's Robots in Time (5)
Dictator
Isaac Asimov's Robots in Time (4)