Davy D. Kidd
Mistaken grudge against Shanks. Real target is Shamrock.
Law targeted evil celestial dragon brother Doffy for revenge. Corazon was the good celestial dragon brother and played a positive role in Laws life. Kidds situation is inversed. Kidd has been mistakingly targeting the good celestial Dragon brother Shanks, while his real target who did something to him in his childhood will be the evil CD brother Shamrock.
They not ready for Kidd to get his version of Laws Punk Hazard+Dressrosa run in the story