User blog comment:FairyRaven/Fairy Tail Chapter 470: Hybrid Theory, Review and Commentary/@comment-77.194.131.221-20160125151818/@comment-9595671-20160125183259

It fits the Rock Dragon for earth, and possibly Levia due to his name and the fins on his body for water.

I'd say Atlas Flame too, but as he was the Eternal Flame I don't think he ended up as a Lacrima.