A one-shot comic stands out when it has a unique and engaging story that can be told in a single issue. Great art and interesting characters also help.
First, draw the basic shape of the pencil. Make it long and cylindrical. When drawing the feather, focus on creating soft, flowing lines to show the texture. Add some shading for depth. Combine them by attaching the feather to the top of the pencil.
The common portrayal of 'Cartoon Karen' is that of a selfish and difficult person. She may be shown insisting on getting her way no matter what and being unwilling to listen to reason or compromise.
One possibility is a yellow ladybug with red dots. In cartoons, they might give it unique features to make it stand out. Or it could be a made-up animal with a creative combination of colors.