Do we differentiate between mythical and fictional creatures?
Mythos has become almost synonymous with any elaborate fictional creation too, such as the Cthulhu Mythos, so you can refer to those as well if you want to

Do we differentiate between mythical and fictional creatures?
Nice points arronax
For example a cyclops (i am not sure, but it might be from the term cyclos, which means circle, and ope, which means opening) is a one-eyed person, whereas the norm is to have two eyes. But then this can signify many a symbolic one-eyedness, such as living only in the present, seeing only what matters to you, having a non-spherical view of things etc.
The Chinese Creation myth is a good one.
The whole universe was once but a massive egg in which a man called Pangu slumbered. His breath became the wind; his voice the thunder; left eye the sun and right eye the moon; his body became the mountains and extremes of the world; his blood formed rivers; his muscles the fertile lands; his facial hair the stars and milky way; his fur the bushes and forests; his bones the valuable minerals; his bone marrows sacred diamonds; his sweat fell as rain; and the fleas on his fur carried by the wind became the fish and animals throughout the land.
From Wiki
Πολύφημος survives in current greek too, and has the meaning "very famous". Φήμη means fame now. There exists also the adjective kakophemos (κακόφημοςwhich means having a bad reputation.
Honestly I've always found Christian mythology and its beings particularly fascinating.
All numbers from 1 to 10+ are considered sacred in many cultures.why is the #7 considered sacred in so many cultures?
why is the #7 considered sacred in so many cultures?
I for one am convinced that the Greek deities do and did exist, but that they are in fact post-human life engaged in absurd roleplaying in their version of video games.