John O'Callaghan is the frontman of the band 'The Maine'.

The Maine formed in 2007, consisting of drummer Pat Kirch, Ryan Osterman, Alex Ross, bassist Garrett Nickelsen, and singer John O'Callaghan , while Pat and Garrett were still seniors in High School. O'Callaghan was asked to join the band by Pat's brother Tim Kirch, who also manages the band through his firm 8123 Management after Tim Kirch heard O'Callaghan singing while intoxicated at a party. In the spring of 2005, they added Kennedy Brock. That same year, Ryan Osterman left the band, to take another path in music. They eventually added Jared Monaco, a childhood friend of O'Callaghan. The Maine got their name from a song called "Coast of Maine" by Ivory, one of the band's general influences.

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