Tammi Dyson | Spectacular the Movie | Nickelodeon

Read up on Tammi Dyson and some of your other favorite characters in Nickelodeon's Spectacular movie at Nick.com.

    Characters

  • Tammi Dyson

    The leader of rival show choir, Ta-Da, Tammi is Courtney's sworn enemy. The rivalry started with years of competing against each other, and heated up big time when Tammi stole Courtney's boyfriend, the former Spectacular lead singer, Royce.