Who assisted Moses by holding up his arms in battle?

Aaron and Hur

Who voices the character Gru in Despicable Me? What classical composer wrote "The Marriage of Figaro"? Who is the human pilot that befriends Carol Danvers and inherits the moniker 'Photon'? What is the name of the substance Red Skull sought as powerful as the Infinity Stones in Marvel Comics? Who wrote much of the Proverbs?