Biffy Clyro are a Scottish rock band from Ayrshire, comprising Simon Neil (vocals, guitar), James Johnston (bass, vocals) and Ben Johnston (drums, vocals). The band expanded their following significantly with the release of their fourth studio album, Puzzle in 2007. The album was released to widespread critical acclaim, and went gold in the UK selling over 100,000 units. This band's popularity was further built upon with the release of 'non-album' single, "Mountains", which reached the top five.

The band's sound is characterised by a heavy, yet melodic, mixture of guitar, bass and drums, with all three band members contributing to vocals. They are known for complex and interwoven guitar riffs, chord sequences and melodies that often change throughout songs.

"'Mon the Biffy!" is a well known chant among Biffy fans; usually shouted in between songs at gigs, or before the band comes on stage. The band have never actually disclosed exactly where the name 'Biffy Clyro' originated. They have a series of stories as to how the name came about, whilst being interviewed on Soccer AM the band stated that they named themselves after a footballer called Biffy Clyro who played for Scottish side Ayr United also admitting that they make up stories about how they are named because they are bored of being asked the same question. Another story is that one of the members owned a Cliff Richard pen, i.e Cliffy Biro', which was accidentally spoonerised on a drunken night out.

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