4 known bands exist with the name Cry Havoc: 1.) Cry Havoc is a band made up of members from Doncaster and Bolton. They play heavy rock funk. They have been described as sounding like QOTSA meets Pearl Jam and RHCP. 2.) Cry Havoc a melodic punk/rock band from Southern California. Their later music style is melodic hardcore/post-hardcore. 3.) POWERFUL + ROCKIN' CRUSTY D-BEAT MAYHEM FROM SHEFFIELD!!!