The following policy is to formally describe the designation process we will be utilizing at the Arrowverse Wiki. As our multiverse is ever-growing, we have come across several times where a character or set of characters have appeared in which there has been no universe designation given in-universe. This is an attempt to formalize how we handle these situations. We will be giving unofficial designations, called Temporary Universe Designations (TUDs).
- TUDs are unofficial and only utilized for the purpose of convenience within the Arrowverse Wiki.
- TUD numbers are given based solely on the first in-universe, non-indirect mention of the universe (this includes a character from the universe appearing).
- Therefore, if a user is to request one, they must go to the table below and identify the next available TUD. For example, if Earth-TUD34 is the latest TUD we've had to designate an Earth with, Earth-TUD35 is currently available for designation.
- TUDs must be pre-approved by an administrator to identify if a TUD should be created or not. The admin will add the requested TUD to the table below.
- TUD-specific pages are only created when a character mentions their universe ("my Earth", "my universe", etc.). This means that if Character X by default appears from Earth-TUD42 but does not mention their Earth at all, then the page "Earth-TUD42" does not need to be created.
- The links of TUDs which don't need a page will be linked to this policy page.
- TUDs are not to be used for unofficial Arrowverse content such as fan-fiction, fan art, etc.
- Once a temporary designation has been officially designated, its page, if any, will be moved to the appropriate page name, with the temporary designation now acting as a redirect. This means that a TUD cannot be used more than once, hence, being retired.
- If two TUDs are revealed to be the same exact universe, the TUD with the lower number will redirect to the one with the higher number, as to avoid confusion whenever a new TUD is needed.
|TUD name||Notes||Originating date|
|Hells Wells||October 25, 2016||Active|
|Harrison Wells (Francophone)||October 25, 2016||Active|
|Earth that almost destroyed Earth-19||January 31, 2017||Active|
|Volcanic Earth||January 31, 2017||Active|
|(pre-Crisis)||January 16, 2018||Active|
|Crucifer||April 10, 2018||Active|
|Mar Novu, Xneen||December 2, 2018||Active|
|Harrison Sherloque Wells' first ex-wife||February 5, 2019||Active|
|Harrison Sherloque Wells' second ex-wife||February 5, 2019||Active|
|Harrison Sherloque Wells' fourth ex-wife||February 5, 2019||Active|
|Harrison Sherloque Wells' fifth ex-wife||February 5, 2019||Active|
|Harrison Nash Wells||October 22, 2019||Active|
|Barry Allen||January 14, 2020||Active|
|Beth Kane||January 19, 2020||Active|
|Brainiac 5 (Earth-TUD15)||January 19, 2020||Active|
|Querl Dox (Earth-TUD16)||January 19, 2020||Active|
|Bottled Earth||January 19, 2020||Active|
|Brainiac 5 (Earth-TUD18)||January 19, 2020||Active|
|Winn Schott||January 19, 2020||Active|
|Harrison Wells (New York City)||March 17, 2020||Active|
|Earth that causes neural dissonance to visitors||May 12, 2020||Active|
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