Middle Name Famous
What you don't want your kids growing up to be, since most people with well-known middle names are assassins or serial killers. (Lee Harvey Oswald, John Wayne Gacy).
Person 1: "So what do you want your kids to be when they grow up?"
Person 2: "Don't care, as long as they don't end up Middle Name Famous."
Person 2: "Don't care, as long as they don't end up Middle Name Famous."