Tornado comes from the spanish word tronada,which comes from the latin word tonare to thunder
Tornadoes are not named. There are too many tornadoes in a year and the come and go too quickly to be named.
No. Tornadoes do not have names.
Tornado Alley is named as such because it has the highest incidence of tornadoes in the world.
Tornadoes are not named as hurricanes are. The first known use of the word "tornado" was in 1556.