Additional Voices is a fictional character portrayed by Skyler Gisondo in the TV series Phineas and Ferb.
In the first episode they appeared in, titled Rollercoaster: The Musical! (season 2), they were 14 years old.
They appear in 1 episodes out of a total of 130 aired
Additional Voices is also portrayed by Clancy Brown, Lacey Chabert, Jennifer Grey, Matthew Lillard, D.B. Sweeney, Jim Meskimen, Emmanuelle Chriqui, Jane Leeves, Lisa Ling and Danica McKellar.
Episodes1
Rollercoaster: The Musical!
episode S2.E37 january 2011Phineas and Ferb relive their first day of summer as a musical!
