Trakenite

The Trakenites, (AUDIO: Primeval) also known as Trakens, (TV: The Keeper of Traken) were a race of peaceful humanoids native to the planet Traken. Through the Keeper of Traken, they maintained the Traken Union.

According to the Fifth Doctor, they had a particular empathy with creatures in distress. (AUDIO: Eldrad Must Die!)

Biology
Trakenites had some psychic abilities. (TV: Time-Flight, AUDIO: The Eternal Summer)

Trakenites aged at a slower rate than humans. Tegan commented that Nyssa "look[ed] good for 70" upon meeting her at a point in time 50 years after she left the TARDIS. (AUDIO: Cobwebs)

Culture
The goodness of the Trakenites was more "robust" rather than forced. (AUDIO: The Cradle of the Snake) They worshipped the god Kwundaar in their early days. (AUDIO: Primeval)

They did not have chocolate. (AUDIO: The Elite)

History
Long before the 20th century, the Trakenites had founded the Traken Union, a pacific and harmonious civilisation that made them known universally.

It was said that the union was so peaceful that evil would calcify when it reached the atmosphere of Traken. This union was led by five Consuls who aided the Keeper of Traken. The Keeper drew on all the minds of the entire Traken Union, a power granted by connection to the Source. Each Keeper held office for about a thousand years. Though they had access to advanced technology, many of the Trakenites lived in simple and pastoral surroundings.

The evils attracted to Traken were called "Melkurs", which literally meant "a fly trapped in honey". The Melkurs were immobile while on Traken and would deteriorate when their power no longer remained. The Trakenites felt remorse for them and took care of them until they disappeared. (TV: The Keeper of Traken)

In 1981, the Traken Union was destroyed by a wave of entropy radiating out from the planet Logopolis. Saved and brought to Logopolis by the Watcher, Nyssa of Traken escaped this disaster. (TV: Logopolis)