The characters - always flat and unfeatured, to begin with - come next.
The Farmer is a very kind, patient, and flat character.
The book has no marginal or "flat" characters.
The stories are full of clearly defined incidents, and peopled by rather flat characters with little or no interior life.
For the most part, the cast is proficient, rendering flat characters with professional briskness.
Criticism focused on the writing, "uneven pacing", flat characters, and the varying quality of the art.
Only if it were a crappy, flat character.
Every week, the flat characters become a bit more rounded.
What follows is a generic story with flat characters set in an uninspired locale.