Lucifer planet was associated with various deities and often poetically personified. Cicero pointed out that "You say that Sol the Sun and Luna the Moon are deities, and the Greeks identify the former with Apollo and the latter with Diana. But if Luna (the Moon) is a goddess, then Lucifer (the Morning-Star) also and the rest of the Wandering Stars (Stellae Errantes) will have to be counted gods; and if so, then the Fixed Stars (Stellae Inerrantes) as well." In the Book of Isaiah, chapter 14, the King of Babylon is condemned in a prophetic vision by the prophet Isaiah and
Lucifer Sam man, real or imagined, in some type of relationship with Barrett's then-girlfriend, Jenny Spires (referred to in the song as "Jennifer Gentle"). However, Sam was simply Barrett's Siamese cat (and is referred to as such in the first line: "Lucifer Sam, Siam cat"); the track was originally called "Percy the Rat Catcher" during the recording sessions, which took place between April and June 1967. "Lucifer Sam" was only performed live by Pink Floyd in 1967 and featured as an encore during many performances, mostly notably at the Games for May concert. Barrett later performed the song with his 1972 band