novelty band; comedy band
A band that incorporates comedy, parody, or humorous elements into its performances. The term is wasei-eigo, derived from English 'comic band'.
wasei-eigo (Japanese-coined English), from comic band
That comedy band focuses more on humor than on the music itself.
彼はコミックバンドでギターを弾きながらコントをしている。
He plays guitar and performs skits in a novelty band.