WHO IS HE? The creator of the Daleks. It was his idea to stick a yucky mutant creature in a metal casing.
DID YOU KNOW: He grew a whole new race of Daleks from leftover bits of himself. They thanked him by letting him live.
WHAT ARE THEY? In charge of repairing the SS Madame De Pompadour, they used bits of the crew to mend the ship.
DID YOU KNOW? Their sister ship was the SS Marie Antoinette. It crashed at the dawn of time and those droids spent centuries repairing themselves.