Is Mephiles the hedgehog?

Is Mephiles the hedgehog?

In his second form, Mephiles appeared almost identical to Shadow the Hedgehog, aside from having green eyes with slit pupils, a pale-skinned muzzle with no mouth (though his muzzle moves when he speaks, as if he does have one), and the fact that everything that is red on Shadow is a grayish-blue on Mephiles.

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