Michael’s biological father wasA.J.
was an alcoholic and she thought he was a bad role model (viaSoaps in Depth).
The truth of Michael’s paternity eventually came to light.

and Sonny erupted that would eventually be A.J.
’s downfall and the root of some of Michael’s issues.
However, asSoap Centralreported, A.J.

continued to be a thorn in Sonny’s side.
Everyone in town assumed it was A.J.
Quartermaine (now Sean Kanan) who killed her, but A.J.

figured out Ava Jerome (Maura West) was the perpetrator.
Quartermaine (Sean Kanan).
Michael argued that Sonny was unfit as a parent because of the dangerous lifestyle he led.
Sonny moved on with Nina after their divorce.
Michael sought revenge and swore he’d take Sonny down.
As of this writing, Dex continues to work for Sonny while simultaneously furthering Michael’s agenda.