What a welcome

1) The reverse of this beautiful Republican coin shows the long-lost legendary hero being greeted by his dog on his return.... a)who is he...(give his Roman name)..? b) Give also the more Greek version of his name ....? c) What is the name of his dog.....? d) Which Roman poet wrote about him...? e) The Roman poet based his story on the works of a famous ancient Greek, called ....? f) This legend invokes the claim of certain ancient Roman families to have descended from those who fled which city....?