Juvia means rain in Spanish.
The author named Lucy after "Lucy in the sky with diamonds" by the Beatles.
Loki is the Norse god of trickery.
Titania is a character in "A Midsummer Night's Dream", which was written by Shakespear. She
was Queen of the Fairies.
Mavis a female name used in Marie Corelli's Sorrow of Satan,Vermillion - Vermillion Bird/Phoenix; Represents south, fire, and summer.
Zeref Possibly derived from the word seraph, described as a dragon-like angel and has an affiliation with fire.
Natsu means summer.
Mirajane's name came from parodying the user name of Mashima's online game friend
Bob created Blue Pegasus on X764
Mira considers Plue as the strongest spirit ever
Gray is seen smoking in the first few chapters of the manga.
Hiro Mashima has admitted that he forgot how he named Gray
Mirajane somehow has a spare copy of Lucy's house key and often lends it to Natsu and the others so that they can enter Lucy's house
Jellal as Siegrain was in Lucy's "Perfect Boyfriend" list, right on top of Loke.
Bacchus is the Roman God of wine
Natsu was supposed to have horns in Mashima's first depiction/sketches
Happy's name was supposed to be Freyr, another Norse god but Mashima thought it won't suit his personality
Lamia ('Lamia Scale') was the daughter of poseidon.
Lucy was orginally suppose to use cards but Hiro guess it might of COPIED an anime or manga.
According to Gray, Gajeel is a very good song writer, however, his singing skills and ability to play musical instruments are poor.
SHOO BEE DOO BOP!
Hiro Mashima stated that Meredy's name just came up out of the blue, after realizing that the name is too similar to a certain RPG character, he regretted
Jellal's Heavenly Body Magic seal is the same as Lucy's Uranometria Magic seal
A special restriction made by Hiro Mashima stated that the number of lines on Plue's nose must be 5, no more, no less
Kinana's appearance is based off Hiro Mashima's assistant, Kina Kobayashi
Jura dislikes peas because while eating some, a worm got in his mouth
Appearing in three arcs with a major role on them. (Garuna Island, Tower of Heaven, Tenroujima) Ultear was the longest running antagonist
Lucy's original concept art had her drawn with 2 twin tails rather than the one ponytail on the side. She was also dressed in frilly girly clothes and without her trademark whip.
Natsu and Happy collect items to perserve the memories of missions (i.e Lucy's maid costume, the fake Salamander signature, a souvenir from Galuna Island, etc.)
In the omake Welcome to Fairy Hills, Levy reveals to Lucy that Erza likes to read novels that are a bit inappropriate or racy.
The original concept of Wendy was suppose to have a wand.
One of the jobs on the request board involves the legendary Loch Ness monster named Nessie.
The original color for Natsu's clothes was supposed to be red. However, Hiro Mashima decided to change it to black because he wanted a better contrast between Natsu's fire and his clothing.
Lucy's favourite type of a guy is an assertive man.
More will come later.