The Doctor's flip nature subsided when he heard that name. "I have. The man is not someone to be trifled with. He is a very dark man with a troublesome mind. Those were the people you were with?" He suddenly felt a bit of worry for his newly found friend.
The Doctor motioned for Obi-Wan to walk with him. "Torchwood is a secret organization. Outside of government or parliament. They help this planet with things that the people on this planet would never understand. Alien life. Things like that. This planet hasn't reached the technological advances that we are used to yet."