Alien 1: 9/10 would not take to the moon
Too many tentacles
Alien 2: 4/10 would not take to the moon
Took 10 years to learn how to make a decent "roar"
Alien 3: 1/10 would not take to the moon
Too many exoskeletons
Where swipes are made to be discarded
Too many tentacles
Took 10 years to learn how to make a decent "roar"
Too many exoskeletons