Name the Robots

[The Leader]

I know many of these have already been listed but I'm a jerk like that.

1. Ignignokt (ATHF)
2. Xenomorph (Alien)
2.
3. Predator
4. Yip-Yip Alien (Sesame Street)
5. Silver Surfer (Marvel Comics)
6. Marvin the Martian (WB Cartoons)
7. Starship Troopers Bug Warrior
8. Kang or Kodos (The Simpsons)
9. Galactus (Marvel Comics)
10.
11. Figrin D'an or another member of the Modal Nodes (Star Wars)
12. Tribble (Star Trek)
13.
14. Diva Plavalaguna (The Fifth Element)
15. Howard the Duck (Yeah, that guy)
16.
17. E.T.
18. Elite (Halo)
19. Klaatu (The Day the Earth Stood Still)
20. Galaxian dude?
21.
22. Space Invader
23. the Great Gazoo (The Flintstones)
24. Mr. Spock (Star Trek)
25.
26. Martian (Invaders From Mars)
27. The Crawling Terror
28. Nibbler (Futurama)
29. Independence Day Alien
30.
31.
32. Cigarette Smokin', Coffee Drinking Alien (MIB)
33. Langolier (The Langoliers)
34.
35. Martian (Mars Attacks!)
36. Mork (Mork and Mindy)
37. Invader Zim
38.
39.
40. One of the Coneheads
41.
42.
43.
44. Dr. Zoidberg (Futurama)
45. Alf
46. Admiral Akbar (Return of the Jedi)
47. Greedo (Star Wars)
48.
49. Metroid