The rest of the characters seen in the Nickelodeon All-Star Brawl box art remain a mystery. Two popular Nickelodeon characters that perhaps are the most obvious possibilities for the roster are Jimmy Neutron and Timmy Turner , and it wouldn't be surprising to have a Rocko's Modern Life representative as well. For now, those looking forward to Nickelodeon All-Star Brawl will have to wait to learn more about the game's final roster and what other characters will be featured in the lin The iconic c...