Demon Smog (デモンスモッグ) is a member of the band Demons Venom and the band's bassist.
He is a dark grey smoke cloud with a pair of pointy grey "eyes" and a long red tongue.
He is mostly reserved but wants to be more noticeable. He learned to play the bass with his tongue to stand out at shows.
- He is based on Tetsurou Hirota, the bassist of Silhouette from the Skylit.
- He is skilled at playing the bass guitar with his tongue.