Aliasing らんたんちゃん → s5941
Link to alias

Reason:

Going by the reasoning in this post.

Japanese characters typically aren't easily understood nor typed by a primarily english speaking userbase and displayed names on Pixiv can change, so I took the name displayed in the URL of one of this artist's uploads. I don't know if this artist uses either of these names or a different one elsewhere.

That's the artist/user ID on Pixiv... Romaji is preferred, if I'm not mistaken

We should use the actual nicks whenever possible, with the other tags aliased to it.
This one would be... rantanchan? Or possibly ran tan chan, I'm not sure if it's a reference.

Same as we do with all artists: leave them be unless posts start getting tagged with the new nick. Because they might end up going back to using their old nick, etc. And if there's no posts under the new nick, there's no reason to alias it (yet).

Qmannn said:
Well, in this case, do I need to suggest a new alias with one of those transliterations of their nickname or just wait until someone with the proper authority views this topic?

That's usually not necessary. The admins usually check the threads, before accepting these.

And if I remember right, it's not possible to submit an another alias for the same tag while this one's still pending.

Also, is there a help page with this information?

I don't believe so. It's all strewn over the forums and (in some cases) post comments.

I've been trying to badger some admins into updating some of the help files, but they seem to be too busy for that. Which is understandable, what with all the ban evaders and such. I'm actually surprised that they have time to do anything else at all, beyond handling tickets and accepting new posts.

Qmannn said:
Okay, I'll use their nicknames from now on, then. Do we just suggest a new alias in the event that these artists change them to avoid confusion or just leave them be?

The ideal thing would be their pixiv username, and not the nickname, the former of which never changes unless they change accounts

For the posts in the OP, the link is

http://i1.pixiv.net/img141/img/s5941/42757939_m.jpg

The username is 's5941'
If the username is not easily remembered (a string of letters or numbers or whatever), you could append their current nickname (romanized) at the end, keeping in mind that the nickname could change (but the actual username won't)

So the artist name on this site could be:
s5941_(rantanchan)

Appending the nickname is easier on the eyes, but there might be a need for aliasing if the nickname changes

Not appending the nickname is the easiest and fastest thing to do, but depending on what it is, may not be intuitive

How is that ideal? It's like tagging artists on FurAffinity with their account numbers.
Most artists want to be referred to by their actual nicknames. And there's no guarantees that pixiv won't change their system, so if anything, I think we should avoid using those altogether.

Not to mention that those tend to cause problems whenever the artists decide to host their stuff elsewhere. Which I've seen happen often enough, and it's never fun to try to figure out if they're the same artist, if all we have to go on is their ex-pixiv login.

I think this is one of the very few instances when being backed up for months actually benefited the discussion. So I guess one good thing somehow came from it.

Anyways, a bit after this suggestion was made, Pixiv changed their site so that the login names are no longer retrievable. They were a debatable method to begin with. But that means using the login name here is no longer that useful, and no longer an option.

The display name on pixiv is often in hiragana, kanji (or sometimes chinese characters or korean characters since not all pixiv users are Japanese). These are valid names but many people here will be unable to type, read or even tell them apart. So we need a compromise. The best option seems to be:
If their pixiv display name is in non-romanized characters, then alias that display name to either 1, another username of theirs which IS in romanized characters, like their twitter username, their art blog name, their FA username, etc. Or 2, alias it to a romanji form of their display name.

Aliasing their displayed hiragana/kanji/etc name to another known username of theirs (such as their twitter name, their FA, their blog username, etc) is preferred over creating a romanji tag when possible, simply because it doesn't require being able to read the japanese, chinese or korean characters in their name well enough to double-check that the romanization was done correctly. And it prevents bad attempts at romanji giving us gibberish artist tags before someone who knows the language well enough catches the mistake. It also kills two birds with one stone, since artists who share their art on twitter (or FA, or a blog, etc) might be tagged with their username from there sometimes anyways, and this way it prevents it from becoming a separate tag for the same artist. But it also tags the artist with a username that they at least chose for themselves instead of picking something arbitrary like their pixiv ID number or their pixiv login (which was private and not something they planned to go by in public).

It is also beneficial to make sure the other-language-displayed-name is aliased to the tag we use for them here, so that anyone can copypaste the displayed name from their pixiv profile page in order to tag the artist. Even if they can't read it themselves to figure out what the romanji tag might be or even if they don't realise the artist goes by a different username on a separate site. When it's aliased, then that copypastable displayed name will auto-correct to the tag we're using for that artist. And that means we end up with less "unknown_artist" simply because they didn't know how to tag the artist on here, which is a fairly common problem with art from pixiv. It allows people who can't read a word of it, to still add the correct artist tag for them here. This policy is just a standardization of what we were doing half the time anyways. And it seems to be the best compromise between all of the different points brought up on this subject.

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Specifically for this artist though: their pixiv gives a link to their twitter. Their twitter username is rntn_wkwk , which would work. So I deleted the OP alias (which was a good attempt under the older confusing policy, but things have changed now that pixiv has changed their site.) And then I approved aliasing their old login name s5941 to --> rntn_wkwk and approved aliasing their pixiv hiragana displayed nickname らんたんちゃん to --> rntn_wkwk.