Fukase (ふかせ) is a Japanese VOCALOID that was developed and distributed by the YAMAHA Corporation, and was created in collaboration with Lastrum Music Entertainment Inc. and TOKYO FANTASY Inc. He was released for the VOCALOID4 engine in January 2016.

He is voiced by Satoshi Fukase (深瀬慧, Fukase Satoshi), the lead singer of the Japanese band SEKAI NO OWARI.

Fukase aka Fuckass is a member of the meme squad with VFlower, Utatane Piko and Oliver/British 12 yo boy. He's the meme Lord of the squad.