Hades

Hades  is an character in the Disney Channel Original Film, Descendants 3. He the Greek god of the dead, former Lord of the Underworld and Mal's father. With the existence of Mount Olympus, Hades is suggested as one of the villains brought back to life to be imprisoned on the Isle of the Lost. In Return to the Isle of the Lost, this was proven true, as his son, Hadie, was introduced. He was the brother of Zeus and uncle of Hercules. Hades is a minor but pivotal supporting character of Descendants 3.

Isle of the Lost
He was mentioned to be pathetic by his former wife because he was human. however, this isn't true and that Mal's father is the Greek God of the Underworld. It is possible what she called him what because she may be jealous of him because he is god and whose more powerful then her

Descendants 3
Hades appears in the third Descendants film, where he attempts to escape the Isle of the Lost after King Ben, Mal and their friends were picking up the new VKs to Auradon, his attempt fails when Mal (in her dragon form) pushes him back inside the barrier. Hades is later seen sleeping on his chair, Celia Facilier gets annoyed with record player, so she turns it off, waking Hades. It is later revealed that he is Mal's father and was once married to Maleficent before abandoning the two of them. Mal visits him to steal his ember, but after hashing out their differences, he lends her the ember to save Auradon. After Mal defeats Audrey, he is then brought to Auradon to save her life after she is put under an enchanted sleep. Both he and Mal reunite at the end of the film after Mal and Ben choose to unite Auradon and the Isle of the Lost. He happily is seen hugging her, while giving a parental threat to Ben, before wishing the two happiness in their marriage and gives Ben “I’m watching you.” signal.

Family

 * Maleficent (wife)
 * Mal (daughter)

Appearances

 * Bk 1: Isle of the Lost: A Descendants Novel (mentioned only)