A predecessor band (name unknown) forms.
Some time in 1999, vocalist TOMOYA joins as support. Drummer Yasuto (康人) also joins.
Tier Dizzy (ティアディジー) officially forms in Amagasaki (尼崎)尼崎.
Vocalist TOMOYA becomes an official member.
V. TOMOYA / G. KAZKI / B. ODATHI / D. Yasuto (康人)
Tier Dizzy disbands by the end of the year
Tier Dizzy was a visual kei band in Amagasaki. They were active until 2003 and are now disbanded.