Different versions of the same robot. Identify.

I like the latest terminator styled version. Freaky it is!

Happy Independence Day to our US members!

Cracked by: Logik, dineshk, Aparna, Manish Achuth, Rogi, Sumanth Patlolla, Bharath, Qbrain, lanu, Shwetha Maiya, Thejas V R, Dibyo, shrik, raklodramA, madhur, Rahulk, udupendra, Ananth, varuns88 and mankuTimma