The world may never know
No.
No.
To get your avatar back on Xbox 360, sign in to your Xbox Live account on the console. Once logged in, your avatar should automatically be retrieved from the Xbox Live server. If it doesn't appear, check your account settings or try restarting the console. If issues persist, consider re-downloading your profile from the Xbox Live service.
Yes
you can create an avatar then change it but no you can not crete two accounts with the same email if it will be on xbox live
if this the xbox live avatar you have to buy the prop(s)
No, just recover your gamertag on Xbox Live.
No. yes
yes
yes i need them which games have them
if u dont have xbox live that a problem
Yes you can there's an XBOX live application which allows u to put your whole gamertag data like gamerscore , achievements and even avatar on the Facebook