Hyllus (mythology)
In Greek mythology, Hyllus (/ˈhɪləs/; Ancient Greek: Ὕλλος) was the name of the following characters:

Hyllus, a Lydian son of Gaia after whom a river was named. After this stream, Heracles named his son, Hyllus. Hyllus, son of Heracles and Deianira.