Lacuna Coil are number one in list of the Best Italian Rock Bands at Ultimate Guitar. Other bands on list include Rhapsody, Goblin, Ephel Duath.
Ultimate Guitar say “Gothic/alternative metal band Lacuna Coil are definitely the most famous Italian band outside of Italy. Since their formation in 1994, the band has had two name changes, being previously known as Sleep of Right and Ethereal. They have toured internationally many times and were nominated for a MTV Music Award.”
You can check out the whole list at Ultimate Guitar here.