The Bard of Long Finger Nails, by a Pusong Ling?

The bard of the long nails was a lat tang scholar, often characterized as a sort of doomed poet with vision so intense the world will destroy him if he does not destroy himself. Aif you look up some of a lihe'sa translated work, he is sometimes described,. this is from the amazon description to a nice collection of his work, a, the bad boy poet of the late tang din. Well, then i got to hear more from this bad i guess was, was he a bet, was the fact that he was a bad boy at all related to the perception of him having long nails?