What unusual quality do the following names share?

LLOYD
ROMAN
BLAISE
HARPO
ERNIE
DEAN

Answer:

They are all male names that can be anagrammed into female names:

LLOYD - DOLLY
ROMAN - NORMA
BLAISE - ISABEL
HARPO - OPRAH
ERNIE - IRENE
DEAN - EDNA

Credit: Boston Globe Crossword
Emily Cox and Henry Rathvon (adapted)
SHIFTY CHARACTERS