Doom is a Japanese thrash metal band by former Zadkiel members Takashi and Koh. formed in Tokyo, Japan in 1985, the first line up included Takashi "Taka" Fujita (vocals/guitar), Koh "Pirarucu" Morota (Fretless Bass) and Jyo-ichi "Joe" Hirokawa (drums). The group released their first EP Go Mad Yourself! in 1985, and the debut album No More Pain followed in 1987. despite having very much broken English included in their lyrics, the group gained a lot of popularity and signed to the Japanese label Invitation.
The band continued to release many more albums and even played a gig at CBGB's before releasing the final album Where Your Life Lies!? in 1999, and then the group later disbanded. On May 7, 1999 the founding member Koh was found dead and had apparently drowned.