It is possible to change the username (on the Android client)?
17905
Ability to update profile from the Stack Exchange Android App
71580
Change default username from "Unknown" to "User{number}"
7110
How can I change my name on a Stack Exchange site?
79898
Changing Android's default MediaPlayer User-Agent string
131466
How do I change my logname?
86451
Are usernames required to be unique?
114965
Is it possible to rename a Unix user account?
49274
Will changing my Geometry Dash username affect my levels?
35656
Add warning when changing display name
45300
How to prevent duplicate usernames when people register?
153733
How do you give people prefixes for their usernames?
52513
How to change package name of Android Project in Eclipse?
156447
What is the default username and password in Tomcat?
152941
username different in Terminal and System Preferences
36516
Is there a way to change device names in /dev directory?
33666
How do I change my Minecraft username during the 30-day restriction?
37381
Change the Author Slug from Username to Nickname