#Iolcus
- Acastus — A Greek mythological hero and king of Iolcus, son of Pelias and Anaxibia. He participated in the famous Argonauts' expedition in search of the Golden Fleece (going against his father's will) and took part in the Calydonian Boar hunt. Following his father's murder instigated by Medea, Acast ascended the throne, expelled Jason and Medea, and organized grand funeral games, a legendary episode widely celebrated in ancient poetry and art.
- Acastus — The Latinate and international variant of the name of the Greek mythological hero Acast, son of King Pelias of Iolcus. As a legendary figure, Acastus is celebrated for his participation in the Argonauts' expedition for the Golden Fleece and the Calydonian Boar hunt, later ascending the throne and becoming entangled in dramatic conflicts with Peleus and Jason as recorded by Ovid and Apollonius of Rhodes.
- Aeson — A character in Greek mythology, legendary king of Iolcus in Thessaly, son of Cretheus and Tyro, and father of the hero Jason. According to the legend, his half-brother Pelias usurped his throne, forcing him into isolation, and later, in the famous account from Ovid's Metamorphoses, the sorceress Medea restored his youth through a complex magical structural rejuvenation ritual.