Hello, we all know about the 'Unknown' Dog that we see when Jenna and her friends are walking. He gets yanked by his owner, and he was trying to get to the girls, or Jenna. Well, What I think is.. The 'Unknown' Dog isn't really 'Unknown'. The Dog is Balto's old design, and perhaps they didn't want to waste that old design? Or just trying to show that not only Steele and Balto has a crush on Jenna, but most of the male dogs in nome alaska has a crush on Jenna, too. We never see the old Design of Balto again in the movie, but maybe... Maybe that Dog was Balto's brother... father? (Maybe not father. xD) But could be anything. ^^ Who knows, but yeah..