https://wccftech.com/nickelodeon-all-star-brawl-finally-adds-voice-acting-and-items-in-latest-update/

See, some people would say that people are making this a bigger deal than it actually is. While they may be right, one of the biggest criticisms that Nickelodeon All-Star Brawl had was the fact that the game didn't have voice acting for the characters. Thanks to a free update, we'll finally have both voice acting and items added to the game.

The voice cast for Nickelodeon All-Star Brawl is as follows;