the character's eye shapes and sizes are sometimes symbolically used to represent the character. for instance, bigger eyes will usually symbolize beauty, innocence, or purity, while smaller, more narrow eyes typically represent coldness and/or evil. completely blackened eyes (shadowed) indicates a vengeful personality or underlying deep anger. it could also indicate that someone's being a wise-guy type, particularly when accompanied by grinning. a character's eyes are shadowed regardless of the lighting in the room when they become angry, upset, something is wrong with them, or they are emotionally hurt. bubbles forming in the corner of a child's or female character's eyes often indicate that the character is about to cry.