I know everyone likes to hate people who complain of unfair treatement, but in this case there really was unfair treatment.

- The user created a valid tag. By that time **it was clear from all the released material** that Kylo Ren is a major character. I shall avoid posting 3-page-long bullet list of why, to avoid spoiling people.

- The tag was challenged **without knowing this and without checking this fact (e.g. on main site or Meta)**, and deleted **without seeking the site consensus on Meta, as is appropriate for tag deletion**

- The **practical effect** of this action was that the user was deprived of an official, SE-promoted, activity (creating new good tag) - and as a consequence of that:

  - **user lost a chance to earn a rare badge awarded for creating a tag that is used by 50+ questions<sup>\[1\]</sup>**

- Then, to add insult to injury, someone else created that tag and will get the badge that the OP was deprived of.

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The only correct way to make things right is to:

- Apologize to the OP for the rash action of deleting a tag without ANY community debate (which would have resulted in people - myself included - being able to present evidence that it's a major character and worth its own tag). A brief comments thread doesn't count, as few people likely saw it.

  **UPDATE: @Null apologized in his answer, which I deeply appreciate and would like to urge the OP to accept that apology, as no damage to OP was intended and it was all done in good faith by @Null, with negative outcome being unanticipated and unforeseen**. 

- Restore the opportunity to get the badge to the user. While a bit drastic edit-wise, it's doable: 

  1. delete the current tag, from all quetsions, and let the OP re-create it once it's gone from the database.

  2. As an alternative, ask SE team to change the tag's creator in the back-end database to the OP.

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<sub>\[1\] - I know 10 people piled on a bandwagon and upvoted a snarky "nobody owns a tag" comment to the OP (**where were the moderators enforcing "civility" then?)**, but that badge indicates that the tag creator IS treated differently by the site, and is rewarded. That's not "ownership", but it is user-specific.</sub>