Nicholas Robatto (also credited as Nick Robatto) was a props maker for Doctor Who and Torchwood.
File:Rubbertoe Replicas - Behind the Scenes - Doctor Who
Robatto explains how he makes replicas of actual ''Doctor Who'' props for Rubbertoe Replicas
It should be noted that even though he did not get the main "props maker" credit, he still maintained and built props for the show. He did not renew the contract for full credit at the start of series 7.