Time Lord

A Time Lord or Time Master is a person with magical powers to affect the time stream. A female Time Lord is called a Timestress.

Time Lords include:

Lord Gnostis, a non-Hellenic Greek Time Lord, and the earliest known Time Lord in recorded history, from 512 BC. Lives in the 79th Dimension of Null-Time
Lord Marcellus Timagetus: a Roman who found and conquered the dimension the Time Lords call home (the 79th level) in 180 BC. He later retired to live in 137 BC.
- Lord Simultaneous: His pupil from the Middle Ages (year unknown)
  - Savanti Romero: His former pupil
  - Renet: His later pupil
Lord Augusto Critie: an Italian Time Lord from 1613 AD
Lord Cekini Garvan: a Time Lord from the future (2113 AD)
Lita (future): Female mutant turtle

2012 TV series[]

In the 2012 TV series they're called Time Masters and do not come from another dimension, but from the future.

Time Masters are the protectors of time, space and reality itself.