Junkie As Machine (J.A.M.) was a subgroup of Taito's sound team, Zuntata, which composed and performed original and arranged songs for games, as well as original works.

Its original members were:
* Katsuhisa Ishikawa as Feedback Babi: planning, keyboard, vocals
* Yoshikazu Kamata as Jankie Kamaty: engineering, guitar, vocals
* Hideki Takahagi as Dr.Haggy: composition, arrangement, vocals

The group went on hiatus in spring 2000, and it reformed in fall 2001 with Lil'B taking the place of Yoshikazu Kamata. Lil'B performed guitar, bass, and vocals.