Suggestions by @giacomooffredi

Richard Epcar

as The Lizard in Casting a random character every saturday #50: The Lizard

Daisuke Ono

as Dr. Curt Connors (animation) in Casting a random character every saturday #50: The Lizard

Fumiko Orikasa

as Lupe the Wolf (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Allegra Clark

as Lupe the Wolf in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Yu Kobayashi

as Lupe the Wolf (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

The Lizard (Dr. Curt Connors)

as Next Character in Casting a random character every saturday #49: Team Rocket

Surge the Tenrec

as Next Character in Casting a random character every saturday #49: Team Rocket

Michael Kovach

as Meowth in Casting a random character every saturday #49: Team Rocket

Sam Riegel

as James (animation) in Casting a random character every saturday #49: Team Rocket

Takehito Koyasu

as Dr. Robotnik in AOSTH Japanese dub

Mariya Ise

as Knuckle Joe (JP) in What if the Kirby Air Riders roster had voices

The Lizard (Dr. Curt Connors)

as Next Character in Casting a random character every saturday #48: Link

Kellen Goff

as Dr. Robotnik\Classic Eggman in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Suzie Yeung

as Classic Tails in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Grace Lu

as Classic Amy in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Takehito Koyasu

as Dr. Robotnik\Classic Eggman(JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Misaki Kuno

as Classic Amy (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Minami Hinata

as Classic Tails (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Mitsuki Saiga

as Classic Knuckles (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010

Romi Park

as Classic Sonic (JP) in Ideal voices for Sonic characters who don't have a voice and ones that haven't appeared since 2010