Sonic the Hedgehog vs. Teenage Mutant Ninja Turtles vs. Advancimals (TV Series)

Sonic the Hedgehog vs. Teenage Mutant Ninja Turtles vs. Advancimals (or STH vs. TMNT vs. Advancimals for short) is an upcoming American-French-Japanese animated superhero television series.

This series is also a spinoff of The Epic Tales of Captain Underpants, featuring the Advancimals.

Team Sonic

 * Sonic the Hedgehog (voiced by Roger Craig Smith) is a fast mutant blue hedgehog and the fastest animal superhero in the world.
 * Miles "Tails" Prower (voiced by Colleen Villard) is a two-tailed mutant fox and Sonic's sidekick
 * Knuckles
 * Amy Rose (voiced by Cindy Robinson)
 * Rouge the Bat is a former member of Team Dark and Knuckles' girlfriend.

Team Turtle

 * Leonardo "Leo" (voiced by TBA) is the leader
 * Raphael "Raph" (voiced by Sean Astin)

Cast

 * Roger Craig Smith as Sonic the Hedgehog
 * Colleen Villard as Miles "Tails" Prower