I know none of us believe the answer but I found where the moderator answered the question on the bonjovi.com board:

BJINFOHQ
System administrator

1191 posts posted Tue, Oct 17, 2006 (10:20am) QUOTE
That's Jon Bon Jovi, per Obie who witnessed it.
Jon riffing at the end -- rarely done but what makes the song so cool to come out of the archives.