Exactly What It Says On The Tin, some characters either have an Embarrassing First Name, Embarrassing Middle Name, or Embarrassing Nickname, then there's a character that has no first name at all. Compare: No Name Given, Everyone Calls Him Barkeep, Only One Name Needs A Better Description, Needs More Examples
Hello, Unkown Troper. You'll need to get known to lend a hand here.
Three days must pass before this YKTTW is Launchworthy or Discardable