Maintenance robot

The maintinence robots were robots that were designed to help on the SS Lucy Gray, controlled by Ivy. When Amy and the Doctor went aboard the Lucy Gray, these robots were sent by Ivy to the Doctor and Amy. The robots sent to Amy were to make her go to sleep and send her into a stasis chamber, as Ivy's priority were the save the humans - however the ones sent to the Doctor were to kill him. This is due to the Cyber-Leader telling Ivy to kill the Doctor, as if she didn't do as instructed, he would've shut down the stasis chambers and killed the entire crew. (GAME: Return to Earth)