Why turkey has the same name as Turkey
comic performer, 1580s, from French zani, from Italian zani, zanni "a zany, clown," originally Zanni, Venetian dialect variant of Gianni, pet form of Giovanni "John." A stock character in old comedies, he aped the principal actors.
1869, from zany (n.). Related: Zanily; zaniness.
Amusingly or ridiculously strange (1918+)