Ikels

Small, hairy dwarfish humanoids with glowing red eyes. Sightings of these creatures are often connected with UFO activity in South America. In contrast with the cold, calculating, emotionless stereotype associated with sightings of other alien types (such as the Grays,) these are rather aggressive and violent. In the 1950s several boys reported an abduction attempt by these strange creatures, in which they had to fight them off with stones. Sightings of such short hairy wildmen pre-date the UFO era, leading to the speculation that they are in fact not extraterrestrials but a hidden subterranean race.

Rods

Rods are small creatures that were first noticed as artifacts taken with video cameras, and so were not "discovered" until home video camcorders became widespread. They resemble very quickly moving insects with a long, rod-like shape and multiple wings. They move so fast that their profiles become blurred, and thus a clear picture of a Rod has not yet been taken. The conventional explanation for them is that they are merely an optical illusion produced by ordinary insects.