ADULT. is an electro-dystopian band from Detroit, Michigan that integrates vocals with drum machines, analog synths and electronic/punk elements.

They started releasing albums in 1998 under the pseudonym "Plasma Co."

Initially, ADULT. members were unrevealed, but now it is known that the band consists of husband-and-wife Adam Lee Miller and visual artist Nicola Kuperus.

The two members are also the founders of the Ersatz Audio record label.