People keep disagreeing with me, but i really think Ven has more connection to Roxas than people think. I mean, in the picture of Ven on Destiny Islands he is wearing Roxas's bracelet (well, the outsides on his are white and roxas's are black, but close enough) here's the link to the pic.
http://www.khinsider.com/images/FamitsuScreens/screen7.jpg
also, the other person's shadow in the pic is Aqua, right? it looks like it
http://www.khinsider.com/images/FamitsuScreens/screen7.jpg
also, the other person's shadow in the pic is Aqua, right? it looks like it