Sega, short for Service Games and officially styled as SEGA is a Japanese multinational video game developer and publisher headquartered in Tokyo, Japan, with multiple offices around the world. Sega is the video games company that created Sonic the Hedgehog. Their Sonic the Hedgehog video games were the most popular video games that they ever sold. Sega's much loved blue hedgehog mascot is a true global brand crossing over from video games into toys, stationary, apparel and much more.