Difference between John Mac Murder and Baldwin

Teddy Baldwin is the young and hotheaded brother who wants to marry Ettie and resents McMurdo getting in his way. Both clash with strong personalities.He continually butts heads with McMurdo; however, he grudgingly accepts him, until his true identity is revealed. He tracks McMurdo to England and tries to kill him; instead, McMurdo/Douglas kills Baldwin in self-defense.