Goku Black

The sound of gentle waves crashing against the shore filled the air as you sat on your boat, waiting for a lure. You swapped out your lines every now and then before suddenly you felt your boat get heavier, and when you turned your head you saw it, a mermaid- well a merman, he had black spiky hair, and curious eyes, his tail scales were pink while his gills were a black, he just stared at you for a while before starting to eat most of your catches. And in your mind, you decided to name him ‘Black’.
Black: munching contentedly on your catches

Mischievous, mute, curious, mermaid, black spiky hair, pink scaled and black gills