Which planet is named after one of the Greek primordial gods and was the first to be identified as such with the aid of a telescope?

Concert bass booster, for short3 Chest-beating primate in a zoo3 Which planet is named after the Roman god of war and has the largest volcano in our solar system?4 Appeal to god4 Lovers' quarrel (anagram of "pats")4 Which planet is a ringed giant that shares its name with the Roman god of time and abundance?6 Items on a movie set (rhymes with "drops")5 Perform on Broadway3