*During his fight with Erza in the Tower of Heaven arc, in the manga his attire is especially designed to withstand disintegration while using his Meteor spell. Though in the anime, he appears to be wearing a skin-tight sleeveless black shirt with cargo pants.

*During the Tower of Heaven arc, on his coat was a design or mark that looks similar to the Fairy Tail symbol backwards.

*In the anime version of the Oración Seis arc, Jellal takes his cloak from Erigor, rather than a member of Naked Mummy.

*Jellal's Heavenly Body Magic seal is the same as Lucy's Uranometria Magic seal.

*Jellal as Siegrain was in Lucy's "Perfect Boyfriend" list, right on top of Loke.


source: http://fairytail.wikia.com/wiki/Jellal_Fernandes