1. Supported by @guestaccounts - Additional Constraints? :
   1. Starts and ends with a letter or number
   2. Only contains letters, numbers, - and .
2. Agreed, Something Like ga (@GuestAccounts) and ca (or first 2 app name letters) for GuestAccounts
3. Yup, and I need to get my shit straight and name it reasonably (once we all agree)
4. Nothing against it, would have to be user-supplied for our api
5. Yup.

Who ya gonna call?
(Guestbusters!)