–
You can have two different names on Snapchat. The username you used to register your account cannot be changed. You can change the display name that is shown to other Snapchat users at any time. You can find out how to do this in this article.
Change Snapchat display name
Note: Your new name will only be shown to users you have not yet added as a friend. Your existing friends will still see the old name. If users have also saved you as a contact in their address book, they may see your address book name.
Follow these step-by-step instructions or take a look at the quick start guide.