GENERAL KNOWLEDGE: Which character from a comic was known as The Pilot of the Future?

Questions

Greek - what was the name of the place of punishment and perpetual torment in the underworld?

From which song - "the sweet things in life were just loaned. So how can you loose what you have never owned"?

Which writer created the lost world of Pellucidar, lost city of Opar, John Carter, Warlord of Mars and Carson of Venus?

What is the name given to a sculptured or pictorial representation of the virgin and the dead christ?

George Bernard Shaws play Arms and the Man was made into which operetta in 1894?