I have to say Deadpool because of how hilarious he can be. That, and because I can be Deadpool whenever I want 
Spider-Man and Gambit are tied in a close second. Gambit because he's the hottest hero alive and that his weapons are cards (or anything he touches) charged with explosives. And Spider-Man because it's one of the most iconic superheroes ever.
And Nightwing on a third place. Apart from his dashing looks, he seems less arrogant and less perfect than his mentor.







