go to your settings and check in hard drive profiles should be in there it will let you delete your profiles hope this helps ;)
Chat with our AI personalities
u must delete the profile it is on
System > Memory > Location > Gamer Profiles > Delete.
Go into your Xbox's hard drive through settings and find your profile. When you open where you save your game data, go to games and find the game you're looking to delete. Once you have found it, delete it and be on your merry way.
Click on profile, then click the edit your profile button scroll to the bottom and there is a button saying delete profile
The number next to your profile is the number of years that profile has been on xbox live.