I thought that Hiro wasn't that bad, especially after all my friends gave his character high praise, and I saw for myself that he REALLY WAS the potentially most well liked character on the show, and also after that episode in the subway where future Hiro talked to Peter Petrelli.
That was until I saw that scene in episode 18 where Nathan Petrelli puts his hand over Hiro's mouth like the way a man would when he stifles the delirious cries of pleasure from a bitch he's fucking the crap out of.
When I saw that, I immediately went WHAT THE FUCK?
Does Hiro have any chance at all of developing the character beyond the comical role????
I've heard that Daniel Dae Kim's subplot in Lost was fleshed out very well. I only hope that will also be the case here.