there is an app in the market called "contact owner" that makes it show up on the lock screen that's what I use although there is also another app which does it that I cant think of the name of
I use the Contact Owner app too. I thought it was a cool idea that is a good "just in case" if I lost the phone that might help it find its way back to me easier. For rooted phones there is a PullDown Editor that changes the Verizon to your name too on the notification bar. The contact owner has an email too though that the other does not.