User blog comment:WaffleMinifigure/Waffle's Guide to Mary Sues and How To Prevent Them/@comment-7890302-20130710195416/@comment-12609788-20130718181426

He doesn't sound like a Sue according to that description and character page's.

I do, however think that your character very likely needs more refining. I think you should concentrate making him interesting character rather than not making him a Sue.