Chances are choose an Ubuntu account user name that differs to that of your real name. Usually this presents no problem – apart from with the MeMenu which displays your account name rather than your real name in the panel. Rather humorous for an indicator termed ‘me’.
“I’d prefer to see my displayname/realname as defined in “About Me” instead of my user account name.”
It’s a known and reported bug and whilst an easy front-end setting to choose the display name is still lacking the option is, nevertheless, there to change.
Responding to the bug report with a fix was a user called Ar. You can use either the Terminal to et the changes (easiest) or manually via the Gconf-Editor (ALT+F2 > gconf-editor)
To remove the name from the MeMenu altogether:
gconftool -s /system/indicator/me/display --type int 0
To show your real name/’about me’ name:
gconftool -s /system/indicator/me/display --type int 2
To display the default account username:
gconftool -s /system/indicator/me/display --type int 1