Dr. Magrew, played by George Peck, is a character in the film Curse of the Puppet Master.
Dr. Magrew desperately wants to created a sentient puppet, like those created by André Toulon. After he and his daughter stop Joey Carp from bullying Robert Winsley, he notices how talented Winsley is a whittling. He admits to Winsley that he's not really a doctor, it's just a moniker.
He has many failed attempts until one night he manages to transfer Robert Winsley's soul into a puppet called Tank.
The puppets turn on Magrew after the procedure causes the death of Robert. They attack him and the final blow is delivered by Tank.