I will leave it to the chameleon experts to positively identify this critter, but aside from the identification issue, to me it does not look healthy.
http://www.faunaclassifieds.com/forums/showthread.php?t=652131
http://www.faunaclassifieds.com/forums/showthread.php?t=647481
http://www.faunaclassifieds.com/forums/showthread.php?t=652131
http://www.faunaclassifieds.com/forums/showthread.php?t=647481