Les DecApsuleurs were made in 2004 by Keupon (vocal) and Antoine (drums).

They started by punk, the band was called Les Vaselines.Later, Flo (guitarist) joined the group.

In 2005, they had a harder style, and they decided to have a second guitarist, Kev1.

They started by a style which correspond still more, the DeathGrind

To get finally an extreme violence, Maxou (bassist) came on the band.

Arrived to a complete formation, they made compo by the mixing of their favorites bands like Waking the Cadaver, Human Mastication, Cephalotripsy and Heyser.