If there is AOM2 I hope some of them could fit the lore better.
Most of the MUs and GPs are either quite generic (earthquake, meteor, etc.) or not related to specific gods in mythology (centaur, troll, etc.) so they can be given to anyone, but some others need better representations.
Medusa: Medusa had no relation with Hera but a strong relation with Athena, so it fits better as the MU of the latter (while Minotaur has nothing to do with Athena).
Underworld Passage: Apollo is the god of art, light and medicine, and I have no idea why he got this as the GP…simply does not fit the theme.
Giants: Frost Giant for Skadi is probably reasonable because Skadi herself is a giant, but most of the giants are the arch-enemies of the Norse gods. Baldr is the son of Odin so he should not get Fire Giant as his MU (not to mention his GP is Ragnarok, where giants are the major opponents of the Norse Gods).
Fenris Wolf and Jormundgard: Same issue as above. However, giving them to the “right” minor god might push too many MUs to Loki’s side, so we may need to come up with some other MU options.
Wadjet and Petsuchos: They are gods themselves. It makes little sense why most gods are gods while these two are mythological creatures. However the designs are quite cool so we could probably invent some names like “Anubite” to denote these creatures.
The entire civilization is basically Titans + “Greek mythological creatures that haven’t appeared in game yet” so most of them do not make much sense and it’s a waste of time to list all of them. But a few that are worth mentioning:
Behemoth: This is the very few non-Greek MUs for the Atlanteans. However, as Leviathan has been given to the Egyptians, so should Behemoth since they both come from the Hebrew Bible, which is closer to Egypt (and the names might also have Egyptian roots) than the fictional Atlantis.
Argus: Argus was an actual humanoid giant not this…D&D beholder? The “scientific name” in the description refers to Amoeba so this entire creature is purely made up. I’m okay with the Clash of the Titans Medusa but this one is too far away from the lore.
The selection of gods (not to mention the MU) is already quite messy with a combination of Taoism and folk beliefs from multiple sources, and some of them are anachronistic as the popularity began much later than the time span of the game. So if there is an AOM2, it would need a serious re-design. Because the Chinese folklore has been influenced by multiple different sources throughout time, I’d suggest referring more to the older source of Shan Hai Jing (or the Classic of Mountains and Seas) for better consistency.
But there are still a few that is worth mentioning:
Salamander: I know the giant salamander is quite an iconic animal of China…but why is it a myth unit? There aren’t many myths about it. (Thankfully they did not make panda a myth unit)
Jiangshi: The legend itself became popularized in the Qing Dynasty, and so does the appearance of the in-game unit, which is very anachronistic. If one is looking for an underworld mythological creature that fits Zhong Kui’s theme, the Ox-Head & Horse-Face guardians would be better options.
Please correct me if I made any mistakes and also provide your thoughts on this topic.