Chosen Medium (Drawn Animation) - Exaggeration

Within drawn animation characters and objects can be exaggerated to make their movements more expressive. Despite them being overly unrealistic when well animated and brought to life it is believable that these are real people.

These sort of exaggerated movements are reasonably easy to animate with drawn animation and mostly drawn animations show this practice.
However, there are a few animations I have come across which use this over exaggeration (as shown in next image below).

CGI Wild E Coyote

Over exaggeration can be used within characters to express their personality and emotions. One example I like to use is Luffy from One Piece as he shows a range of exaggerated emotional states/exaggerated facial features which reflect his personality well (huge grin and overly sized smiling mouth

Monkey D. Luffy

Other facial expressions he does are over exaggerated to portray, in this case for the images below, his emotional states.

Luffy crying after coming to terms with the death of his brother

Eiichiro Oda (the author and illustrator of One Piece) does a good job at exaggerating face which appropriately reflects how emotionally distraught he is over the death of his brother. Wide mouth showing all his teeth, crying excessively, lots of wrinkles and snot running from his nose. All these aspects perfectly shows his emotional state.

Luffy losing his mind when his brother dies before him

Not many scenes I have seen shows as much emotional stress as this scene of Luffy. In the animated series when he screams out in agony as most scenes like this I expected his screams to die down after a while, but not the case for Luffy. The voice actress for Luffy has him progressively scream louder and louder before finely snapping when he suddenly goes quite. Along with Luffy's blank eyes and overly gaping mouth he perfectly displays someone losing their mind.