a Visitor human pain expert from the tokyo mothership Dr. Maita is referred to as the Human Pain Expert by Marcus. He is originally from the Tokyo Mothership, but is transferred to the New York Mothership by Marcus to help extract information about the Fifth Column from Georgie Sutton, after Georgie Sutton managed to resist the probing of the memory chamber. Dr. Maita uses a small mechanical robot called a scower to inflict pain on Georgie, explaining the mode of action before placing it in Georgie.("John May")