Well, there could be images of popular cartoon foods like pizza, burgers, or ice cream in fun and creative styles. Maybe they're drawn with big eyes or smiling faces. Also, there might be images of food in fantasy settings or with characters interacting with them.
Often, such a duck could be characterized as bold and confident. The big mouth suggests it's not afraid to speak up or make itself noticed. It might also be a bit mischievous, using that big mouth to get into trouble or play pranks.
Well, they can vary a lot. In some styles, eyes might be big and shiny, while in others they could be more realistic. Noses and mouths too can range from simple lines to detailed features.