I'll be honest, when I first started up FFX I couldn't relate to Tidus in the least and was rather put-off by him; however, that's how he was designed. He is supposed to a whiney-ass, annoying little prick and certain characters like Lulu and Auron call him on his crap.

I voted positive, because I felt real solid progression from the character and I slowly grew more attached to him as he begun to change and grow as a character. After completing FFX, Tidus jumped to one of my favorite characters in the series.