Vinvocci
The Vinvocci were a species of green-skinned spiky humanoids.
Biology
The Vinvocci had green spiky skin. They resembled the Zocci but were taller and green.
Technology
They used shimmers (devices that looked like wristwatches) to disguise themselves as humans. They also had a medical device called the Immortality Gate which was capable of healing whole planets.
Culture
The Vinvocci found it racially offensive to be referred to as cacti.
Appearances
The End of Time (Tv)
Lights Out (Prose)