Prometheus: Carlos Huante's Engineer in a squid suit

leading from

Prometheus: Space Jockeys renamed the engineers

and 

Prometheus : Carlos Huante's Engineer concept art

 

a) Engineer in Squid Suit 

 

Huante makes the statement that these engineers are in 'squid suits'.

 

Engineer in Squid Suit
(https://www.instagram.com/p/BQZloznB8a9/?taken-by=carlos_huante)

Carlos Huante: Engineers. This is the body in the Squid suit...  
 (https://www.instagram.com/p/BQZlsYxhg2D/?taken-by=carlos_huante)

 

b) Calamari head

 

Another version of the Engineer creature had a head that resembled sea creature and might easily have been said to resemble the Mon Calamari alien species such as the character Admiral Ackbar as seen in the Star Wars film Return of the Jedi.

 

Engineer in Squid Suit.
https://www.instagram.com/p/BQZlqmChhC-/?taken-by=carlos_huante

Admiral Ackbar as seen in the Star Wars film Return of the Jedi.