humorist (n.)

• annalist
• author
• authoress
• banana
• bibliographer
• buffoon
• card
• caricaturist
• clown
• coauthor
• collaborator
• columnist
• comedian
• comic
• compiler
• composer
• copywriter
• critic
• diarist
• dramatist
• droll
• encyclopedist
• essayist
• gagman
• gagster
• ghost
• ghostwriter
• ironist
• jester
• joker
• jokester
• kidder
• lampooner
• litterateur
• madcap
• newspaperman
• novelist
• pamphleteer
• parodist
• poet
• prankster
• punster
• reviewer
• satirist
• scenarist
• scribe
• scriptwriter
• storyteller
• wag
• wit
• wordsmith
• writer
• zany