It seems the same is true for [James Bruton]’s impressive Sonic the Self-Balancing robot, even with bendable knees and force sensitive legs. We covered the mechanical side of the project ...

Now he’s building a large Sonic the Hedgehog self balancing robot that can bend at the knees and hip, allowing it to lean while turning and handle uneven terrain. Check out the first video ...

Blue Booster is specifically based on Sonic, with his robot mode reflecting the Blue Blur ... is a media franchise produced by American toy company Hasbro and Japanese toy company Takara Tomy.