Now you can go crazy with emojis, add your middle name and girlfriend's pet name while you at it as you wish.
Now you can add your middle names and spice things up with emojis if you like.
The character count now goes up from a maximum 20 to now 50 characters. Twitter however notes this won’t apply to the @usernames which is up to 15 characters long.
Your username appears in your profile URL and is unique to you. It's used for logging in, replies, and Direct Messages.
Your display name is a personal identifier (sometimes a business name or real name) displayed in your profile page and used to identify you to friends, especially if your username is something other than your name or business name.
To change your display name, head on over to your profile, tap on ‘Edit Profile’ on the right side of your page, and then click on your current name.
This development should serve people with very long names. In some languages and cultures, names often go past 20 characters.