Julie-Su, Archie Sonic Online Wiki

Julie-Su is a Mobian Echidna and the girlfriend and distant relative of Knuckles the Echidna. Born the daughter of Luger and Mari-Su, Julie-Su was brought up amongst the Dark Legion. After her parents were murdered by her half-sister Lien-Da she was placed in the foster care of Simon and Floren-Ca before she was taken away from them as well. Serving as a support troop in the Dark Legion for years, she eventually left it to join Knuckles and his group, the Chaotix. Born to the Dark Legion Grandma

Julie-Su the Echidna - Sonic the Hedgehog (Archie Comic Series) - Image #727030 - Zerochan Anime Image Board

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Archie Sonic Main Discussion - Page 1280 - Comics - Sonic Stadium

Julie-Su, Wiki

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For a guy with weakness for girls, Knuckles has quite a lot of girls around himself : r/SonicTheHedgehog