Pan·ta·loon 
(păntə-ln′)
(păntə-ln′)n.
1. often Pan·ta·lo·ne (păn′tə-lōnā, pän′tä-lōnĕ) A character in the commedia dell'arte, portrayed as a foolish old man in tight trousers and slippers.
2. A stock character in modern pantomime, the butt of a clown's jokes.
[French Pantalon, from Italian Pantalone, after San Pantalone, or Saint Pantaleon (died AD 303), Roman physician and martyr.]