The general problem is that people are never satisfied with what
you do, but that's to be expected. The fact is that, in this realm of fantasy and limitations of powers/appearances, you are limited in your creativity despite it all.
Personally, I think role-playing a literary figure is a brilliant idea, even if some comic book had already come up with the idea. It's hard to come up with anything absolutely original in this day and age, especially when playing a freaking comic book MMORPG.
Regardless of what I do, my playing a robot, regardless of the name, will draw comparisons to The Terminator or the bots from Unreal Tournament. People who role-play a vampire will always be compared with Dracula or Blade or LeStat. People who role-play a mutant will always be compared to X-men.
There's no getting around it. Do what you do, and do it well. No one aside from NCsoft can tell you how to play so do what you enjoy. I'm sure there's a thousand people out there who will criticize that I role-play my toon to spout Windows error messages. Do I care? Nope. That's how I enjoy playing him.
I don't expect to be loved or accepted by anyone in these diverse MMORPG's. All I expect is to have fun doing whatever it is I choose to do, and that's all I expect others to do.