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Denise

Adherent of Dionysus (god of wine)

Dennis

Wine lover

Denzel

High

Derek

People's ruler

Desdemona

One born under an unlucky star.

Desiree

Latin / French origin meaning much desired.

Devil

Demon

Dexter

The right handed man

Diane

Dinah

Dino

Abbreviation of Dinosaur.

Dionne

After Greek God of Wine

Dirk

A Dutch form of Derrick

Disco

Dobby

From J. K. Rowling's Harry Potter books and films.

Doby

Dobie

Doc

Doggie Bowser

Taken from Doogie Howser

Dolly

Spanish - From Dolores - Lady of sorrow

Dolph

Donald

Ruler of the world

Donohue

Dark/Brown warrior

Doogie Bowser

A humorous name based on the TV series