"Which legendary pokemon are the best to give a second move to?"

#PokemonGO: Howdy,So many people talking about which non legendarys are best to give a second move to, but I can't find any information on which legendary pokemon benefit most from a second move.I saved 100 rare candies, and I have a solid bank of stardust.Thanks for the help. via /r/TheSilphRoad http://bit.ly/2AIbotI