From  RyokoNoKalo

Here is Adrian, the music loving orca mer who is brother to Maro, a DJ of a club. The Orca himself have enjoy many types of music from classical to current music types. When he isn't out and about with his brother and his friends, he is often found at a club or partaking in the dance hall to dance to the music. He does like to venture to the surface and hear what the land dwellers are listening to and would spend his time enjoying the music the surface world has to offer. He's fun, Love to listen to music, and seeing others enjoying themselves through music.