Complete the simile: as happy as a _____?

Questions

Name the Greek equivalent of the Roman god Saturn?

The plant Gypsophila Paniculata is grown predominantly for making bouquets what is its more common name?

In the bible to whom is the book of Lamentations attributed?

Who is President of the European Central Bank?

For which team will Neil Hodgson be riding in the forthcoming World Superbike Motorcycling season?