Character design actually has a lot to do with the nose. Someone could go through countless nose designs to get the character looking just right. Features also depend a lot on someones personality. The shape of the face shows us what the creator wants us to see the type of personality they're looking for. Take "Lord of the Rings" for example. The character "Gollum" went through a lot of work, because people had become attached to the him in the book. He had to look good. They had the face down, but the nose was bugging Peter Jackson. They changed the nose from Zombie-like holes, to more of a regular nose that wasn't as alien looking. Art has a lot to do with character design.
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