Who played Sherlock Holmes in the 2009 movie adaptation directed by Guy Ritchie?

Robert Downey Jr

Which composer became deaf later in life but still continued creating music? What Christmas candy is made primarily using sugar heated at high temperatures and usually includes peppermint flavor? Which Southeast Asian fruit has segments that resemble cloves of garlic inside a purple-red shell? Who authored the influential essay 'Civil Disobedience', advocating nonviolent resistance to injustice? Who developed the multiplayer game League of Legends?