Kings of Leon is an American rock band that formed in Nashville, Tennessee, United States in 1999, consisting of brothers Anthony "Caleb" Followill (lead vocals, rhythm guitar), Ivan "Nathan" Followill (drums, percussion, backing vocals) and Michael "Jared" Followill (bass guitar, backing vocals), with their cousin Cameron "Matthew" Followill (lead guitar, backing vocals). Each member of the family group is known by his middle name (second given name) as opposed to their first given name.