People, slow down, your giving the OP info that may not be correct. First, the OP should probably purchase a 24" fixture which will use 22" tubes and will be needed when upgrading to 48" tall cage. Second, should probably be a two or four tube fixture. One tube being for UVI 5, 6, 10 or 12% and...
My Carpets are in 18L x 18W x 24H inch Exo-Terra's. Room lights come on at 7AM, 24" T5HO duals,
1 6500k and 1 UVB tubes, and basking lights, dimmer controlled, come on about ten minutes later. My temps are max 80F at basking and drop to 76F about 6" lower. Bottom is usually in low 70's, room...
Check the hind feet of your chameleon. If they have a spur on the back of the feet you have a male.
If not you may want to change the spelling of Danny.
He's definitely dehydrated. You can tell by the way his eyes are sunken in. Like Brody said you can't tell age after they have become a few years old. Your cham is fully matured. You need live plants for more cover so he can get out of the sun when he wants, more misting and a dripper in that...
Many youngsters talented in painting or pen and ink also become talented in other arenas such as music. Don't push her, she will find her way with your help.