In the mirror universe Miles O'Brien was a Terran slave of the Klingon-Cardassian Alliance with a theta designation until 2370. With the death of Benjamin Sisko a year later, he became leader of the Terran Rebellion.
In the mirror universe Miles O'Brien was a Terran slave of the Klingon-Cardassian Alliance with a theta designation until 2370. With the death of Benjamin Sisko a year later, he became leader of the Terran Rebellion.
Miles O'Brien, nicknamed "Smiley", was the mirror universe counterpart of Miles O'Brien in the primary universe. He became the commanding officer of the Defiant and a prominent leader of the rebellion to free Terrans and Vulcans from the tyranny of the Klingon-Cardassian Alliance. Kruge thought he was very much like a Terran rebel from an earlier era. ("A Debt of Honor")
In the mirror universe, Miles Edward "Smiley" O'Brien was a Terran slave of the Klingon-Cardassian Alliance with a theta designation until 2370. With the death of Captain Benjamin Sisko a year later, he became the leader of the Terran Rebellion. When Sisko first met O'Brien, O'Brien's serious demeanor was so noticeable that Sisko decided to designate O'Brien as "Smiley", a name that stuck thereafter.