The name of the music group is Radio Fish.
The vocal, Mr Fujimori,
and the person in the middle when they dance,
Mr Nakata, are a famous Japanese comedy duo,
whose name is Oriental Radio(オリエンタルラジオ or オリラジ).
オリラジ is very good at singing,
so they decided to make a music group with Fish Boy
that Nakata’s brother belongs to.
Perfect Human is a type of Electronic Dance Music
and some people say that Psy’s Gangnam Style influenced it very much.