Didymus

Didymus (twin), a surname of St. Thomas; also the name of a grammarian of Alexandria, a contemporary of Cicero, and who wrote commentaries on Homer.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Didot * Diebitsch, Count
[wait for the fun]
Dick, James
Dickens, Charles
Dictator
Dictator of Letters
Dictys Cretensis
Diddler, Jeremy
Diderot, Denis
Didius, Julianus
Dido
Didot
Didymus
Diebitsch, Count
Dieffenbach, Johann Friedrich
Dieffenbach, Lorenz
Diego Suarez, Bay of
Diemen, Antony van
Diepenbeck, Abraham van
Dieppe
Dies Irae
Diet
Dietrich