You can adjust your display name and avatar on the same page.
- Navigate to https://seeclickfix.com and log in to your account
- Select the Person Icon (My Account)
- Click on "Preferences"
- On the General Preferences page you will see a text box in which you can type your new display name and a "Choose File" button that will allow you to add an avatar.
Once you have selected a new display name and/or avatar, don't forget to click on the blue "Save Changes" button at the bottom of the page.