laughsmith
One who creates laughs; a comic or comedian.
Mr. Harry Mendelson, laughsmith and humorist, now on the Keith circuit and known in vaudeville for ten years as Harry Montgomery, dispensed a number of good laughs and furnished a slight departure from a strictly musical evening.
Where it comes from
From laugh + smith. Compare Old English hleahtorsmiþ (“one who causes laughter, mirth, or joy”, literally “laughter-smith”).
Adapted from the Wiktionary entry laughsmith (CC BY-SA 4.0).