Harlequin

noun

1. a traditional comic character in pantomime, who wears a mask and spangled, diamond-patterned tights of many colors and sometimes carries a wooden wand or sword
2. a clown; buffoon

Etymology: Fr harlequin, arlequin < OFr hierlekin, hellequin, demon: Fr sense & form infl. by It arlecchino < same OFr source

adjective

1. comic; ludicrous
2. of many colors; colorful