Fallout 3 robots

Robots

 * Liberty Prime
 * Button Gwinnett
 * Alien Turret (Mothership Zeta)
 * Enclave Eyebot
 * Experimental Weapons Drone (Mothership Zeta)
 * Guardian Drone (Mothership Zeta)
 * Mister Gutsy
 * Mister Handy
 * Protectron
 * Sentry Bot
 * Support Drone (Mothership Zeta)
 * Automated Turrets: Mark I, Mark II, Mark III, Mark IV, Mark V, Mark VI, Mark VII, Mark VIII
 * Spider Drone (Operation Anchorage)
 * Chimera Tank (Operation Anchorage)

Androids

 * Harkness
 * Armitage

Cyborgs

 * Professor Calvert (Point Lookout)
 * Robobrain
 * Star Paladin Cross
 * Lone Wonderer (If received wired reflexes perk from Replicated Man Quest, and/or if the Cyborg Perk is taken)

Artificial Intelligence

 * President Eden
 * M.A.R.Go.T. (Broken Steel)