no
The profile is your gamer profile. If you are not using the gamer profile you had your halo stats on, there is no way to transfer them. If you are using the same profile, your data is lost.
yes it will ur profile works on almost all games
you go to settings and go to apperance and pick your profile and then go from there
Settings, Player profiles, Your profile, then go down you will see it
Yes. In Halo CE you can choose to use the default profile though.
You can't create AI in Halo 3.
If you mean how do you create a profile then you must create an account on the console. Then you can go to your dashboard to create the profile
You can go to settings to create your default profile. There in People option, you can create your profile.
To play Halo Reach with a guest on Xbox Live, one person must have an Xbox Live gold membership. The second person has to sign in under the guest profile (you can have up to three guests per profile)
You need to do forge to create your maps in halo 3
You would have to have a different profile.