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This category is for all aliens or non-mobian creatures that have a role in the Sonic the Hedgehog series, the Mobius: 25 Years Later series, or the Knuckles the Echidna series.
This category has the following 2 subcategories, out of 2 total.
Pages in category "Aliens"
The following 69 pages are in this category, out of 69 total.