John Hopley

John Hopley was the father of Violet Hopley and the husband of Melissa Hopley. One night, he discovered an alien criminal called Extron was hiding out in his daughter's bedroom. He met the Tenth Doctor just before Violet was transported to the planet Onla-toch with Extron. After the Doctor dealt with Extron, he returned Violet home and John gave his daughter a warm welcome home. (COMIC: The Monster Upstairs)