Your display name is pre-filled in Zoom based on your SCU account information. If you have a nickname or your display name is not appearing correctly when you join a meeting, follow these steps to change it.
Log into scu.zoom.us or click on the Zoom tile from the MySCU Portal.
Under Profile, click on Edit to the right of your account name.
Clear your first and last name, then enter it again and save.
Sign out then sign back into Zoom.
Join a test meeting to see your updated name: zoom.us/test