Originally posted by FrothByte
Darth Vader has had 3 movies to be developed (6 if you count the prequels) and has the power of nostalgia to back him up.If "A New Hope" was only released today, with updated visual effects and all, Darth Vader would be considered no more than an average villain at best.
He also has two comic book runs from Marvel which are canon
one set after Episode 4 and one set after Episode 3 not long after him getting the suit.