Ryan Reynolds continues to have the best faux celebrity feuds ever. His most iconic is his longstanding back and forth diss-fest with actor Hugh Jackman, but now he’s added another Aussie superstar to his “frenemy” list. Ryan had his mom Tammy Reynolds talk smack about Chris Hemsworth in a Dec. 7 Twitter video, and now the 37-year-old hunk is coming hard at 44-year-old Ryan in return.