Zeus

Zeus is a character originally from the Disney film . He is the king of the Olympian Gods and the father of Hercules.

Kingdom Hearts Birth by Sleep
Hercules tells Ventus his father is Zeus, the king of the gods up on Olympus. When Hercules was a baby, someone stole him away from his parents and took away his godhood. Hercules hopes he can become a true hero so he can can rejoin his father and return to Olympus.

Philoctetes mentions to Sora, Donald, and Goofy during their training that Hercules is busy visiting his father.

Kingdom Hearts II
Auron mentions that Zeus had previously locked the Underdrome up because he disliked its senseless violence.

Zeus creates constellations of Sora, Donald, and Goofy after they defeat Hades, signaling that they have become true heroes.

Kingdom Hearts III
In the Realm of the Gods, Zeus is captured by Hades and the Titans. However, he is freed by Hercules and throws lightning bolts at the Titans, causing them to flee. When Hades retreats and threatens to dump Meg in the Styx as payback, Zeus tosses a thunderbolt at Hades to shut him up.

Design
Zeus is quite tall and has a muscular body, towering over Hercules. He has long white hair and a long white beard. He has purple-blue eyes. He wears a purple chiton over his left shoulder which is held by a round gold pin with a thundercloud on it. He is barefoot.

Personality
Zeus is mentioned as someone who dislikes violence, and as such, he dislikes Hades' violent plans.

Origin
Zeus is a character in Hercules voiced by the late in the original film and  in the animated television series. He is inspired by the from Greek mythology. In the film, Zeus produced Hercules with his wife Hera, watching his son grow up under the care of Amphitryon and Alcmene. Zeus also creates Pegasus from clouds as a gift for his son. When Hercules learns of his adoption from his foster-parents, he heads to the Temple of Zeus to learn who he is, and is told by Zeus of his divine heritage. Zeus sends Hercules to Philoctetes, wishing him luck on his journey to become a true hero on Earth to regain his godhood. Zeus is eventually overpowered by the Titans after Hades releases them, until Hercules comes to his father's aid in defeating them. Afterwards, Zeus at first allows Hercules to return to living as a god on Olympus, but after hearing his son's wish to live his life on Earth as a mortal alongside Megara, he complies. He is last seen creating a constellation of Hercules to show that he has become a true hero, one measured not by the size of his strength, but by the strength of his heart.