Your unique name and your avatar will be recognized with respect among your allies and feared by your enemies. You can customize them from the Account menu. To access it, from the main command interface, tap the More button in the lower left area. After which, select Account from the available options.
Customizing your Name
From the Account interface tap inside the text field under Player Name. After you enter your new name, simply tap Apply to confirm the change. Accepted names can contain only Numbers and Letters and it's length must be between 3 and 16 characters.
Remember, you'll will need to use a Change Name item. If you don't have any at the moment, you can always get one from the in-game store.
Customizing your Avatar
The Avatar is displayed on your public profile, in Leaderboards, chat posts and private messages that you send. To select your avatar of choice, from the Account interface select the Change button below your avatar. A list of all available avatars will appear.
When you see something you like, just press on it to select. If you wish to get out of the avatar selection simply press anywhere outside of the avatar panel.
Similarly to customizing your name, changing your avatar also requires a Change Avatar item.