Influenced Matt and Ross Duffer (the Duffer brothers) in their creation of the Netflix series: "Stranger Things", which has a similar plot.
The title "Elfen Lied" is actually German. "Lied" is pronounced leet not lah-yd.
Lucy's original design was dark brown hair, blue eyes, and sharper horns.
Elfen Lied means "song of elves" in German.
The artistic design of both the opening and ending sequences are heavily inspired by the works of Austrian symbolist painter Gustav Klimt. Colors and patterns resembling Klimt's distinct style were used and characters of the series were drawn to recreate several paintings from the artist's golden period, including The Kiss (Lovers). The opening theme Lilium, which is sung in Ecclesiastical Latin, uses lyrics taken from The Bible, the Renaissance hymn Ave mundi spes Maria, as well as the alchemical compendium Theatrum Chemicum.