Acht

Dedf1sh is a musician in. Her songs are a part of the Octo Expansion DLC.

Songs
While none of her songs have been named, the Tweet revealing her name and album art featured a link to a mix video with short sections from a few of her songs. Notably, All the background music from all the Octo Expansion gameplay videos shown so far are included in the mix video.

History
Dedf1sh was once a promising DJ. Pursuing the ideal music, she went into the underground research facility and became sanitized/disinfected. Despite losing her free will, she continues to make music that can be heard throughout the facility.

Trivia

 * The album art shows that her gear is comprised mostly of turntables, each with the number 8, 8 buttons, and what appears to be a red logo.
 * The background of the album art features the same logo as the CQ Card and C.Q. Cumber's hat.
 * The name, Dedf1sh, may be a reference to the DJ and musician known as deadmau5.
 * She bears a resemblance to Marina, namely the design of her tentacles and the colored tips of her fingers.