Suggestions by @kryoryon

Holly Earl

as Hestia in Percy Jackson & the Olympians

Pearce Joza

as Percy Jackson in Percy Jackson & the Olympians

Emjay Anthony

as Percy Jackson in Percy Jackson and the Olympians

Katie Douglas

as Older Mabel in Gravity Falls

Jared Gilmore

as Older Dipper in Gravity Falls

Lizzy Greene

as Pacifica Northwest in Gravity Falls

Emjay Anthony

as Dipper Pines in Gravity Falls

Saoirse Ronan

as Adaine Abernant in Fantasy High (Season One)

Booboo Stewart

as Jet in Avatar: The Last Airbender

Izaac Wang

as Aang in Avatar: The Last Airbender

Griffin Puatu

as Sokka in Avatar: The Last Airbender

Katie Douglas

as Willow Rosenberg in Buffy the Vampire Slayer

Jeannie Tirado

as Tikal the Echidna in Sonic X (Toonami) (2003)

Dawn M. Bennett

as Vanilla the Rabbit in Sonic X (Toonami) (2003)

Patrick Seitz

as Vector the Crocodile in Sonic X (Toonami) (2003)

Brina Palencia

as Charmy Bee in Sonic X (Toonami) (2003)

Ian Sinclair

as Espio the Chameleon in Sonic X (Toonami) (2003)

Anthony Bowling

as Bocoe in Sonic X (Toonami) (2003)

Todd Haberkorn

as Decoe in Sonic X (Toonami) (2003)

Laura Post

as Rouge the Bat in Sonic X (Toonami) (2003)