John Wick is a character from the John Wick movies who comes out of hiding as an ex-hitman to avenge the murder of his beloved dog—now this is a character we can all get on board with, right? John Wick, played by the famous Keanu Reeves, went from the military to becoming a hit-man. After he falls in love with a woman named Helen, he asks to leave the mob he works for, but the conditions for him leaving seem nearly impossible! Check out the John Wick series to see Keanu Reeves in action!