Well, it's not our fault Vergil looks like he belongs in grad school.*raises hand* I'll admit, I'm one of the people who was hard to convince.
He's 18? In what, dog years??
Anyway, they might make the twins older in DMC3 -- now that his face looks more... photogenic.
Graphical enhancements on existing characters are a pain if even just one detail ends up being out of place...