The reason why you know more funny dudes than funny chicks is that dudes are funnier than chicks. If my daughter has a mediocre sense of humor I'm just gonna tell her 'Be a staff writer for a sitcom. Because they'll have to hire you they can't really fire you and you don't have to produce that much. It'll be awesome.'
In the television age the key distinction is between the candidate who can speak poetry and the one who can only speak prose.