There are 2 bands operating under the name I Chaos.
1) I CHAOS is a new Death Metal band from the Netherlands featuring (ex-)members of Creepmime, Epica, Blo.torch and Cypher. Their unanimous desire to thrash has resulted in a concept of sheer musical brutality.
Harry van Breda - vocals
Rory Hansen - guitar
Joost van der Graaf - bass
Koen Herfst - drums
2) I chaos is a Russian ambient funeral doom band.