Those are storm troopers(unless you're referring to R2-D2)
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If you mean 'metal', I think you're talking about R2-D2 or C3PO, both are metal robots from the Star Wars movies.
They are called "Clone Troopers"
Star Wars: The Clone Wars is the only Star Wars that airs on Cartoon Network.
In the original its usually white with a little black.
Yes. Robots exist now, and there is no reason to believe that they will stop existing. If, however, you meant to ask "Will intelligent robots like those in some science fiction novels or movies, like Star Wars, exist in 25 years?", that is not known, but it seem unlikely, given the immense complexity of the human brain.