Almost anytime a character has a large nose, he's a bad guy. Villains have big noses. They might be long and pointy, or a giant hook down their face. But for whatever reason, bad guys rock the big noses. Maybe it's symbolic of how ugly they are on the inside? Maybe it's just to distinguish between the honest good guys and the less honest bad guys for the audience. No one knows. This is also part of Antisemitism. In anti-Semitic propaganda, Jews are depicted with big noses, way beyond normal. This can lead to Unfortunate Implications if it is used in other contexts. Examples: