Isabella "Izzy" is one of the recurring contenders of the Total Drama series, voiced by Katie Crown (who also voices
Fin McCloud on Stoked and Tulip on Storks.)
She appeared in all five seasons (including cameos in the fourth season, Total Drama: Revenge of the Island, and the first half of the fifth season, Total Drama All-Stars).
Izzy does not compete in Total Drama All Stars, though she did make a cameo appearance in episode 7, "Suckers Punched". She does not appear at all in the second half of the fifth season, Total Drama: Pahkitew Island.