Planet of Origin: Kilaak (position unknown - the Kilaaks claim it is between MArs and Jupiter, but show no evidence on the matter)
The Kilaakians are a species of small metallic worm-like creatures with a space faring and mind control technologies who live in high temperature environments.
They travelled to Earth circa 1999, establishing a base on the moon and posing as a race of female humanoids from the planet Kilaak, which they said was between Mars and Jupiter. The aliens invaded the monster reserve known as Monster Island and assumed control of the giant monsters and resident scientists, soon sending them to attack several major cities across the globe, such as NNew York, Moscow, Bejing, London and Paris.Their efforts were finally thwarted by the destruction of their Moon base.
Source: Destroy All Monsters, Toho, 1968