A new Sonic the Hedgehog leak has appeared online, and it has nothing to do with the video games or even the movies, but it ...

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Rather than scrubbing the teeth and gums to get them clean, they gently buzz and hum, setting up a sonic wave which is claimed to remove up to 80 per cent of stains and get rid of plaque bacteria.

Sonic: Uhhh... Narrator: This realistic, hedgehog-like take on Sonic went viral ... to Sega's design with his cartoonish nose, mouth, and teeth. More from News ...

When it comes to the design of their favourite hedgehog, Sonic fans can be a picky bunch. The blue blur has been rendered in countless styles throughout his 34 year history, and some are certainly ...