This is really wack, I hope you get some form of recourse and then some.
Oh Aight, I was interest in one of ya sticks…I seen The Realyst stick a tourney once and fell in love with it. postmanke04@tmail.com is my email addy. Thats where I sent if from.
I was only joking about sueing them XD It’s just. . . the pic had your watermark thingy on it and for them to remove that and make up a bullshit story is kinda fucked up.
and to think i used to buy gamepro before during my elementary days.
Lol, I agree, it’s not a big deal, heck I’d be glad if I were in your situation. But I think, just for kicks, it’d be nice to email gamepro about it and see what they do about it :). Nothing more fun then causing trouble to large coorporations :).
I don’t think that they did it intentionally. Just ignorance on their part. Sanwa doesn’t make controllers first of all. Second, they must have found an image of the stick off the net by a fan or through searching. Third, how it became a ‘Naruto special’ in Japan is beyond anything I can come up with.
My opinion, email GP and let them know that or demand to make a correction to that issue and to credit the work as a stick builder and using Naruto as a muse or whatever. You can then tell them how you build sticks using themes from other anime and/or games and give them a link to your site with pics. Maybe mentioning SRK and how other builders noticed and had said something about it too will help 
genious