[6] He also likes metal and listens to blues and jazz such as Howlin' Wolf, John Lee Hooker, Mahalia Jackson and soul singers such as Al Green and Solomon Burke.

[6] Pyro is known for his excessive stage antics, with The Irish Times describing him as having "cajoled, provoked, teased, screamed, shouted, stomped and flirted away" through an entire set with Republic of Loose,[7] whilst the Irish Independent has compared him to "an insane rock version of Robbie Williams, with the voice of a young and drunk James Brown".

[8] John Meagher, writing in the Irish Independent, described Pyro as "the focal and vocal point of Republic of Loose" who "works his stage like a Joshua Tree-era Bono"[9] During Republic of Loose's 2008 residency at the Dublin Academy, Pyro's stage presence was described by Ed Power in the Irish Independent as "more wedding-dance flap than Harlem shuffle, but he carries his shtick off with so much charisma you find yourself applauding instead of guffawing".

[12] Experiencing what he termed "a huge metaphysical overturning of my value system", Pyro developed a fascination with musicians such as James Brown and The Rolling Stones.

[15] O'Connor and Republic of Loose to performed a cover of the Curtis Mayfield song "We People Who Are Darker Than Blue" during the Meteor Music Awards in 2007.