Since some of the main characters, barring heracles and nemesis, aren't going on adventures to defeat general agon. These characters can help the two in hunting general agon, even though most of the taphoi, except the water taphus, has been destroyed.

Aion- the god and personification of time, eternity, and the zodiac. In Hellenistic views, he is a primordial god and brother to gaia. He's practically the Greek equivalent to father time.

Themisios- an inventor that is one of the people prometheus has created, he learned from both Athena and hephaisto to craft automatons and other inventions.

Melissa- originally a lifeless bronze automaton that sings and is a part of a contraption made for entertainment, hephaistos brought her to life as a means of helping heracles. She also has wings but can't fly due to being heavy, she wears a wreath on her head as well as wielding a staff.

Aether- the god and personification of upper air and light, he's the son of nyx (night) and erebus (darkness). Uranus maybe the sky itself, but aether is the upper air and light itself (mesosphere).