User name is displayed to the other person to whom you send messages. It is also the same name which is seen on Google chat. If in any case you want to change the user name you can do it. Remember that you only change the user name and not the email id.
In the figure below you can see the user name from which the email sent is “Kundan Raj Bhattarai”. Usually the user name is similar to the email id.
Now let us see how to change the user name.
Log into your Gmail account by entering the user name and password.
Click on “Gear icon” on the right and then click on the “Settings”.
Click on “Accounts and Import”.
Click on “edit info” on the right side of “Send mail as”.
Now you can enter the desired user name in the blank text box.
Click on “Save changes”.
Now you have changed the user name for your Gmail account. Next time when you are Google chat or when you send a message, then the recipient will see the new user name.