This kid's name kind of rocks.

President of the Philippines015 Archives Rodrigo Duterte, has a new grandson: Marko "Stonefish" Digong Carpio.

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Like his siblings "Sharky" and "Stingray," little Stonefish was nicknamed after a sea creature because his mother loves the sea, local papers reported.

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Stonefish was born to Duterte's daughter and mayor of Davao City, Sara Duterte-Carpio, and her husband, Manases Carpio on Friday.

Although his name isn't technicallyStonefish, the popular press have referred to him and his siblings nearly exclusively by their nicknames, leading to some sharp reactions online.

(Tatay is Tagalog for daddy.)

Oh boy.

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