mocker

noun mocker

• ridicule — speech or action intended to cause contemptuous laughter at a person or thing; derision.
• derider — to laugh at in scorn or contempt; scoff or jeer at; mock.
• scorner — open or unqualified contempt; disdain: His face and attitude showed the scorn he felt.
• scoffer — to speak derisively; mock; jeer (often followed by at): If you can't do any better, don't scoff. Their efforts toward a peaceful settlement are not to be scoffed at.
• caricaturist — A caricaturist is a person who shows other people in an exaggerated way in order to be humorous or critical, especially in drawings or cartoons.