Often, it's to convey a sense of weariness or stress. It can also be used for comedic effect or to make the character seem more relatable when they're overworked.
You can show it by adding dark circles under the eyes and making the eyes look droopy.
It could be to show extreme emotions or reactions. Maybe the character is sick or facing something really unpleasant.
It could be to show that the character is tired or has been crying. Maybe to add some drama or make them look more vulnerable.
It could be to show they're overworked or haven't slept well. Maybe to add a sense of exhaustion or stress to the character.
It's a way to show strong emotions. When characters are really sad or in distress, crying with tearing eyes makes it more obvious and relatable for the viewers.
Maybe it's to evoke an emotional response from viewers and make them feel for the cat.
Sometimes, having tired eyes on cartoon characters is a way to convey a sense of stress or a long day. It makes them more relatable to viewers who also feel worn out at times.
Often, it's a way for the creators to convey a sense of exhaustion or weariness in the character's situation. It could be from a long day of challenges or constant stress.
Maybe it's to show they're exhausted or have had a rough time. It's a common way to convey their emotions.
There are a few like 'Workaholics' where the female characters often show signs of exhaustion from their busy jobs.