Is Kevin the least popular Jonas Brother of Joe Nick and himself in total And what roll does he play?

No, Kevin is not the least popular Jonas Brother. While he may not have the same level of individual fame as his brothers Joe and Nick, Kevin has still achieved significant success in the entertainment industry. He is the oldest of the Jonas Brothers and has been involved in the music industry since he was a child. Kevin plays guitar, sings, and writes songs for the band. He has also appeared in several films and television shows, including the popular Disney Channel series "Jonas". In addition to his work with the Jonas Brothers, Kevin has also pursued solo projects, including releasing his own music and appearing in Broadway productions.