I believe they are simply "boater" hats. These hats are also seen being worn by gentlemen in barbershop quartets.
Gondoliers.
Gondoliers are oarsmen of the water taxi boats called "Gondolas" of the city of Venice. Thus they transport you round the canals of Venice.
The Gondoliers was created in 1891.
The Silent Gondoliers was created in 1983.
The Gondoliers - 1982 TV is rated/received certificates of: UK:E
The Gondoliers - 1990 TV is rated/received certificates of: Australia:G
Clothes
A gondolier's pole is called a "remo" in Italian. It is used to steer and propel the gondola through the water in Venice, Italy.
Dappy hats but their real name is peruvian hats
Originally called "steeple-crowned hats," witches' hats are currently just called "pointy hats."
Tessa
Tessa