A "Time Lord" is a fictional character from the British television series Doctor Who. They are an advanced alien species from the planet Gallifrey known for their ability to travel through time and space using a time machine called the TARDIS. Time Lords possess unique abilities, including regeneration, which allows them to transform into a new physical form when mortally wounded. Time Lords are characterized by their intelligence, advanced technology, and a strong sense of morality. The most famous Time Lord is the Doctor, who often intervenes in historical events and helps those in need across the universe. Their complex society has strict rules regarding time travel, emphasizing the importance of not altering history.