The Machakos Jackson's Three-horned Chameleon

The Machakos population of the Jackson's Three-horned Chameleon, Trioceros jacksonii, is the one where the males are exceptionally colorful.

Therefore, they are sometimes referred to as "The Rainbow Jackson's Three-horned Chameleon"

Its has been also assigned a false name Trioceros jacksonii villegensis, but it is just breeders' and importer's jargon, as the family name of the one who imported them to Europe first, was "Villegen"