This alien species has not made contact with Earth,[1] but one Wobb named Cerexo became the communications officer of the starship Andromeda.[1][2] Cerexo thus interacted with two Earthling crewmembers, Hulk and Abomination, recruited while the Andromeda was orbiting Earth.[2]
Telepathy, allowing them to translate languages of aliens they encounter.[1]
409 million[1]
Psychocracy[1]