CARAVELDI
Known to be (at times) extremely dangerous to Humans as well as to other alien races.
They come from constellation Chamaeleon.
They have been permanently involved in conflicts with a few other races for over 500 (Earth) years.
They are rarely seen on Earth.
They live up to 150 years old.
Reportedly they are 3 meters tall (9') and have 4 arms.
Last sighting was near New Orleans, USA, in 1976.