Olympian

Olympians (also referred to as Gods) were a race of tall near-Humans from the planet Olympus.

Biology
Olympians were taller than an average humanoid in size and their physiology was the same as that of humans.

Olympians could never die of old age. They were shown to be invulnerable to photon beams, for example. when K9 used them against two  Olympians, who were unaffected.

They were also able to survive in the vaccume of space without the need of oxygen. (DWM: The Life Bringer)

Powers
Olympians were able to summon different types of energies when needed. Prometheus was able to use an electric wave on the TARDIS which made it travel to Olympus. Zeus was able to appear in a gigantic form amongst clouds and emit massive amounts of electricity at the TARDIS. However the ship was unharmed by his attack. (DWM: The Life Bringer)

Culture
All Olympians obeyed the will of their leader Zeus however some were known to go rogue.

Their attire appeared to be the same which was a white toga. (DWM: The Life Bringer)

Technology
Olympian technology was very advanced however some of their methods appeared primitve.

Known transportation included shell-crafts which could travel through the atmosphere as well metal chariots. (DWM: The Life Bringer)

History
The Olypians were responsible for controlling some parts of the universe. The Olympian Prometheus was responsible for creating life in the universe. (DWM: The Life Bringer)