I've seen a little of his work on-line, but my first real exposure to him was at the Wizard World Chicago '04 show.
Him and Sean Galloway were set up in Artist's Alley and I really liked both their a lot.
I think Jonboy's got a big future ahead of him and I'm really looking forward to seeing him get all the attention he deserves.
Right now, he's doing some work for Marvel's Marvel Age line, but I'm sure it won't be long before he moves over to the regular universe or even their Ultimates line someday.
Thanks Jon!
http://www.scribble.ws/