Otho, Otis. Otto is a masculine German given name. It originates as an Old High German short form (variants Audo, Odo, Udo) of Germanic names beginning in aud-, an element meaning wealth, prosperity. The name is recorded from the 7th century (Odo, son of Uro, courtier of Sigebert III).
Construction of the Fountain. Already in the fifteenth century a small Trevi Fountain was built here during the papacy of Nicholas V. In 1732, pope Clement XII commissioned Nicola Salvi to create a large fountain at the Trevi Square to replace the existing fountain.
Turn to the center of the plaza to see the Fuente de Cibeles. The fountain features the Roman goddess of fertility, Cybele, riding a chariot pulled by a pair of lions. It was commissioned by King Carlos III in the late 18th century and was designed by architect Ventura Rodriguez.