Amy Rose Simple English Wikipedia the free encyclopediaThe blue hedgehog ️ significant other. Sonic is known to have a romantic relationship with his love interest, a hedgehog named become his heart. Their romance goes beyond the speed of sound, showcasing deep affection and strong bond. As a couple, they embark on exciting quests, fighting villains while building their romantic union. The love between Sonic and his girlfriend is as quick as his legendary velocity, leading the way for a storybook romance.