SAMURAI.55 (サムライ・ゴーゴー) forms.
SAMURAI.55 goes on hiatus.
Vo. Die and Ba. HASEMAN leave.
SAMURAI.55 changes their name to SAMURAI ZORO (サムライ ゾロ).
Vo. Kousuke (幸佑) joins.
Support Ba. NATARIA (ナタリア) leaves.
Support Ba. DAISUKE joins.
SAMURAI ZORO (サムライ ゾロ) changes their name to GYACKMEN (ギャックメン).
GYACKMEN (ギャックメン) disbands