For me, it's Habbo. You can create your avatar there and add them or remove them or create as many as as 10 I think.
No, but I believe you used to be able to. The best you can do now is sell it at the minimum price.
I am a member of imvu and i think their is no way you can get a free avatar name. The only way to get a free one with guest off your name is if you buy a Prepaid Card from local stores Like Best Buy and Target. I buy prepaid cards and my guest on my avatar name is gone. So your best way to get it free is to buy a 10, or 25 dollar imvu card and Hey why not you get to go shopping too.
At the website addictinggames.com you can find avatar games for free. Go to the website and search for avatar. Then pick one that looks fun and play it!
avatar .com
Yes you can.
www.iconator.com
No.
kisscartoon
There are several websites where you can watch any Avatar episode for free. The best ones are: www.avatarpop.webs.com and www.avatarchapter.com Avatarchapters downloads faster but Avatarpop has better virus protection.
You can't legally
Well, if you have Facebook- try The Sims Social, I've heard it is a free game for Facebook. Then, you can create a free Secondlife account (don't choose the Premium one- that one is paid for, just choose the regular), but keep in mind that Secondlife is an avatar social network. (It's very fun, though!)
http://newmuvizonline.blogspot.com/