The Archaic Period
The Classical Period
In other words, the figures were to be ideal, but also human.
And then they went a step farther. From 500 BC, Greek artists started to carve, paint and mold real, actual humans! The statues of Harmodius and Aristogeiton, set up in Athens to mark the overthrow of the tyranny, were said to be the first such public monuments.
We have finally come to the beauty of flaws in Greek art.