Girls Dead Monster (abbreviated to ガルデモ, Gldemo) is a fictional all-girl band from Jun Maeda's anime series “Angel Beats!” The band consists of:
Leader and lead vocalist/Rhythm guitarist, Iwasawa (岩沢) voiced by Miyuki Sawashiro (沢城みゆき), her singing is by the artist Marina - she plays a Sienna Sunburst/Maple Fender Stratocaster guitar. Lead guitarist, Hisako (ひさ子) voiced by Chie Matsuura (松浦チエ) - She plays a Jupiter blue/Rosewood Fender JazzMaster.

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