Which band The Kooks or Half Japanese are made up of brothers?
Half Japanese: Half Japanese is an art punk band formed by brothers Jad and David Fair around 1975, sometime after the family's relocation to Uniontown, Maryland. The Kooks:  The band currently consists of Luke Pritchard (vocals/rhythm guitar), Hugh Harris (lead guitar/synth), Alexis Nunez (drums), and Peter Denton (bass guitar).
Half Japanese