buffoon (n.)

1540s, "type of pantomime dance;" 1580s, "professional comic fool;" 1590s in the general sense "a clown, a joker;" from Middle French bouffon (16c.), from Italian buffone "jester," from buffa "joke, jest, pleasantry," from buffare "to puff out the cheeks," a comic gesture, of echoic origin. Also see -oon.