Suggestions by @liam

Mighty the Armadillo (StC)

as Marc Anciel in Sonic The Hedgehog characters as Miraculous Ladybug characters

Ray the Flying Squirrel

as Nathaniel Kurtzberg in Sonic The Hedgehog characters as Miraculous Ladybug characters

Omochao

as Tikki in Sonic The Hedgehog characters as Miraculous Ladybug characters

Infinite (Sonic Forces)

as Juleka Couffaine in Sonic The Hedgehog characters as Miraculous Ladybug characters

Mephiles the Dark

as Plagg in Sonic The Hedgehog characters as Miraculous Ladybug characters

Mephiles the Dark (SCU)

as Plagg in Sonic The Hedgehog characters as Miraculous Ladybug characters

Sonia the Hedgehog

as Aurore Beauréal in Sonic The Hedgehog characters as Miraculous Ladybug characters

Sage (Sonic the Hedgehog)

as Tikki in Sonic The Hedgehog characters as Miraculous Ladybug characters

Cream the Rabbit

as Rose Lavillant in Sonic The Hedgehog characters as Miraculous Ladybug characters

Vector the Crocodile

as Tom Dupain in Sonic The Hedgehog characters as Miraculous Ladybug characters