DORSAY

They grow to a maximum height of 0.5 meters (1.6').

They have visited Earth at least 250 times.

They come from Cassiopeia, where they have 2 home-planets.

They eat other alien races as well as humans.

Their race is at least 4 billion years old and they have been in a constant state-of-war with another alien species for 2 billion years.

Last sighting on Earth: November 2001, Italian Alps.