UnScramble this Word: n r h t e a o?

Questions

What animal appears on the label of Levi 500 jeans?

In the Commedia del'Arte who was the daughter of Pantaloon?

Which fresh water fish has the Latin name 'Esox Lucius?

Which author wrote the two World War 2 books 'Fighter' and 'Bomber'?

What is the English nickname of Beethoven's opus 91, written to commemorate Wellington's victory at Vitoria?