Lust
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Glutton, because I like Irony that Skeleton with endless thirst/hunger for drinking and partying would be Glutton, who usally just a some random fat person...
[img align=right]http://i58.photobucket.com/albums/g252/Etikka/etikka-2.jpg[/img]
Pride definitely! calm and collected and fiery fierce c:

Envy
[img align=right]http://i58.photobucket.com/albums/g252/Etikka/etikka-2.jpg[/img]
You have a pet dragon and dragons are famous for their greediness, but you also have fire theme going on which reminds me of wrath. Your dragon also looks like that dragon from game of thrones and he was pretty wrathful monster, so I'd say Wrath.
[img align=right]http://i58.photobucket.com/albums/g252/Etikka/etikka-2.jpg[/img]