Dr. Eggman Nega, also known as Dr. Nega, is a mysterious villain and "mad man" who went to war with the Zone Cops. Traveling across the Cosmic Highway, Nega's actions caused severe chaos across the multiverse. For this reason, the Zone Cops issued a lock-down on the various universes, leaving only a few open to maintain stability. Nega's war with the Zone Cops resulted in massive damage to No Zone. He is rumored to be after the Sol Emeralds and the Jeweled Scepter.