Knuckles debuted in 1994’s Sonic the Hedgehog 3 for the Sega Genesis. Created by designer Takashi Yuda, he was designed as a physical opposite of Sonic, a strong, grounded character to serve as a ...
Sonic the Hedgehog 3 finally explored Shadow the Hedgehog's story in the live-action Sonic the Hedgehog cinematic universe, but the character's backstory was already subtly referenced in the Knuckles ...