Compare Sgt. Rock vs Jean Grey Summers real name and family and other exciting information. We are also providing you with the comparison of alias, alter ego, family tree and love Interest of both the characters along with Sgt. Rock Real Name vs Jean Grey Summers Real Name. You can also check out the comparison list of artists who played Sgt. Rock and Jean Grey Summers in movies, animated films and TV series. Also compare the identity of these popular fictional characters in Sgt. Rock vs Jean Grey Summers real name.