infinite (sonic)
An antagonist character introduced in Sonic Forces. Under Dr. Eggman's command, he was able to defeat Sonic using the power of the Phantom Ruby prototype in his chest. He is also able to create illusory copies of elements such as the environment or enemies of previous games (namely Shadow, Metal Sonic, Zavok and Chaos).
He was originally part of a mercenary group called the Jackal Squad, until they were all defeated by Shadow. Under the mask, he has heterochromatic blue and yellow eyes.