I was rewatching The Hunchback of Notre Dame when I realized that Kevin Kline was the voice of Phoebus. Kevin Kline also voiced Tulio in The Road to El Dorado.
This has led me to conclude that Phoebus
is the father of Miguel.
Miguel fell in love with Tulio, in part because of the voice that reminded him of his dad’s
and, as we all know, Miguel and Tulio had a son
but Tulio also had a fling with Chel
that resulted in this:
That is my headcanon and no one can take it from me.