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Attachment One of the pre-order bonuses for the game is a skin for Shadow that is based off an early concept version of him from Sonic Adventure 2 named Terios. The name comes from the Greek term "telos", referring to an end, fulfillment, completion, goal or aim.
person CuriousUserX90 calendar_month August 27, 2024
Video explaining Terios:
https://www.youtube.com/watch?v=ZTF8SgV0Tws

Costume in Sonic X Shadow Generations:
https://www.youtube.com/watch?v=UJJ_WfDO9vk

Definition of where the name originates:
https://www.rep.routledge.com/articles/thematic/telos/v-1
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Sonic X Shadow Generations' title was leaked a day prior to its reveal by notable leakers and a URL registration. Following the leaks, some fans and gaming news websites jokingly noted that the term "Sonic X Shadow" had previously also been used on the internet since the 2000s to refer to fan art, fan-fiction and slash fiction depicting the hedgehogs as a romantic couple.

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