It really depends. Handle and usernames aren't even the same thing anymore, and especially on pixiv, I've noticed artists changing the display name on a regular basis, even though pixiv doesn't even have handles to fall back on if a user gets confused.
The script primarily pulls the artist name from either saucenao or pixiv, and either translates or romanises it. It's nice to see something pronounceable, because unless you can read the moon runes, there is no real way to commit the artists name to memory. So while the original string is more searchable, it almost completely loses recognizability on a platform with english-speaking users.
I actually want people to find these artists, seeing multiple works and realizing you like something a certain person makes, is what eventually gets people to look them up, I feel.
But, I could improve the script further by having it include the pixiv artist ID and twitter handle in cleartext when those sources are available, etc.
Because I want to keep the title contents minimal. I initially didn't even include the artists in the title, but only plopped a link in the body, but I changed that as most people won't check the body text.
If I'm including any untranslated details, it'll be in the post body. If its inclusion is in case someone needs to use it as a search term, it doesn't need to be in the title for someone just scrolling by.