You can change the information on your profile from the ‘Profile’ tab in your Account Info. You’re free to fill out whatever information you want – there’s even a biography section at the bottom where you can type out a more detailed self profile if you choose.
In the ‘Profile’ tab, there is also a section to upload a personal profile picture. You can upload a profile picture if you want.
You can also upload a personalized wallpaper for your profile from the ‘Profile Wallpaper’ section.