Time Lords

Time Lords are species that have mega inteligence and because of that they all have a  mastery of Time Travel. A famous time lord through time is The Doctor, he has been taking on sidekicks throughout time and space to aid him in battle with fierce monsters and aliens. The other Time Lords don't like this very much, but theres not much they can do about it.

Another famous Time Lord is The Master, who is renowned for being utterly insane. In fact, he is scarily insane.

The Time Lords themselves are a pompous race, and they look on the rest of the Galaxy with disdain. They never really intervene with anything, except one time when they fought a war against the Daleks, which wiped out their race. This conflict became known as the Time War.