Humorist

Noun

1. Someone who believes that health and temperament are determined by bodily humours; a humoralist. .mw-parser-output .defdate{font-size:smaller}
2. Someone subject to whims or fancies; an eccentric.
3. A humorous or witty person, especially someone skilled in humorous writing or performance.
4. One who studies or portrays the humours of people.