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Name: Dextre (Special Purpose Dexterous Manipulator)
Height: 3.5m
Source: Canadian Space Agency

Name:	Yoda	Demon Child	Ewok	B.O.B	V.I.N CENT.		R2D2	Asimo	E.T.
Dimension:	0.66m	1m	1m	0.7m	0.7m		0.96m	1.3m	+/- 1.3m
Source:	Star Wars	Galaxy Quest	Star Wars	The Black Hole (1979)	The Black Hole (1979)		Star Wars	Honda	E.T. (1982)
Name:	Marvin	Maria	Dr.Zaius	Borg (random)	Klingon		Admiral Ackbar	Mangalore	Metaluna
Dimension:	1.5m	1.7m	1.78m	1.75m (avg.)	2m (approx.)		1.8m	1.9m	2m
Source:	Hitchhiker's Guide to the Galaxy (2005)	Fritz Lang's Metropolis (1927)	Planet of the Apes	Star Trek	Star Trek (See Below)		Star Wars	The Fifth Element (1997)	This Island Earth (1955)
Name:	Cylon	Robbie the Robot	Taun We	Gort		Imperial Probe Droid		Our Alien
Dimension:	2m	2.29m	2.13m	2.3m		1.6m (variable height)		2.2m
Source:	Battlestar Galactica	Forbidden Planet (1956)	Star Wars	The Day the Earth Stood Still		Star Wars		Alien (1979)

Name:	Predator	Wampa	Zardalu
Dimension:	2.5m	3m	3m
Source:	Predator movies	Star Wars	Heritage Universe by Charles Shefield
Name:	Shadow	Jabba the Hutt
Dimension:	2m??? (pure conjecture)	3.9m long
Source:	Babylon 5	Star Wars
Name:	Bug	Independence Day alien in suit
Dimension:	2m approximately	2.6m
Source:	Starship Troopers (1997) read the book tho...	Independence Day (1996)
Name:	Rancor from Return of the Jedi
Dimension:	5m
Source:	Star Wars

Name:	This completely realistic, original, and scientifically plausible alien represents all the multitudinous Science Fiction aliens who are miracles of convergent evolution to the point where they are all pretty much exactly like humans with bumpy heads: Vulcans (Star Trek) Cardassians (Star Trek) Bajorans (Star Trek) Ferengi (Star Trek) Andorians (Star Trek) Klingons (Star Trek) Romulans (Star Trek) Zabrak (Darth Maul, Star Wars) Sand People (Star Wars) Klatooians (Star Wars) Twi'lek (Star Wars) Minbari (B5)  Star Man (Star Man)  Alien Nation Aliens My-ik and Du-Ug (Evil Alien Conquerors. Actually they were pretty funny.) Dr.Lazarus (Galaxy Quest. Ok, I'm just being ironic here, Dr. Lazarus is making a point of being a guy with rubber bumps on his head) The list goes on and on..... And the Winner: The alien at the end of "Contact".  I sat here 3 hours for this???  (No I'm just kidding.  Everyone should read "Contact", then see the movie. Carl Sagan was a genius, and is one of the inspirations for this website. Per his example, we strive to get people to love science fiction, so that they feel inspired enough to try to bridge the gap between Science Fiction and Science Fact.)   Go here for a good explanation of Star Trek's rationalization for many rubber-bump-head people.
Dimension:	human size
Source:	well.... lots of places