The Alien Creature

Leading from 
Alien

1) Carlo Rambaldi's Alien monster concept 

2) The biomechanoid that Dan O'Bannon wanted

3) Ridley Scott's Alien Monster
a) Into The Necronomicon
b) Looking for the Alien's Nucleus
c)  The Sudanese
d) Bolaji Badejo from the Gold Coast
e) The Salamander People
f) The Chestburster
g) The Facehugger
h) The Egg
i) Paintings that inspired the big Alien
j) Roger Dicken's big alien
k) Creating the Alien
l) Human to Spore stage
m)  An intermediary stage 
n) The Alien as a folded up box 
o) Saliva Story