Three rhythm game protagonists who are friends

Boyfriend (Keith)- A nineteen year old small boy with a bit of an ego complex. Though he can be quite snarky, he cares deeply for his friends

Parappa- A fifteen year old who is very determined and imaginative. He's overprotective, a bit naive, and is also an anthropormorphic dog

Melodii- An eleven year old who likes graffiti and playing the keyboard. They are prettt clueless and gullible, but also smart and somewhat cocky. Is also non-binary