Actually, Udon Enterainment release works by Japanese artists as well (such as Tony Taka) so we can't really delete work that is just tagged as "udon_entertainment" since we don't know the specific artist.

gelbooru.com/index.php?pa...list&tags=ghettoyouth

Not sure if it is true, but I've been told that ghettoyouth is German, not Japanese. His website ( gy187.byethost32.com/ ) is also in perfect English, rather than Japanese.

That and his Deveantart page make him look like a native speaker of English.

And confirmed. Ghettoyouth is German, not Japanese.

home.arcor.de/ghettoyouth/neu/index.htm This is his old website. The domain is German. So yeah.

ireal - Spanish gelbooru.com/index.php?page=post&s=list&tags=ireal
www.hentai-foundry.com/profile-Ireal.php
ireal70.deviantart.com/
www.pixiv.net/member.php?id=1499310


gninrom - Finnish gelbooru.com/index.php?page=post&s=list&tags=gninrom
gninsdimension.blogspot.com/
www.hentai-foundry.com/profile-Gninrom.php
yaoi.y-gallery.net/user/gnin/


justcartoondicks - paysite gelbooru.com/index.php?pa...amp;tags=justcartoondicks
spunktoons - paysite gelbooru.com/index.php?pa...=list&tags=spunktoons
reardeliveries - paysite gelbooru.com/index.php?pa...t&tags=reardeliveries

gelbooru.com/index.php?pa...t&tags=maullarmaullar

maullarmaullar.deviantart.com/

www.pixiv.net/member.php?id=194552

I actually know MaullarMaullar from an IRC community he frequents, and I am absolutely and possitively sure that he is American, not Japanese.

gelbooru.com/index.php?pa...;s=list&tags=anonanim

yaoi.y-gallery.net/user/anonanim/

www.pixiv.net/member.php?id=1061627

EDIT: gelbooru.com/index.php?page=post&s=list&tags=togeepy

agnph.com/gallery/profile.php?uid=457

agnph.com/gallery/thumbnails.php?album=178


EDIT 2: gelbooru.com/index.php?pa...=list&tags=inmomakuro

inmomakuro.deviantart.com/

www.pixiv.net/member.php?id=1297596

yaoi.y-gallery.net/journal/inmomakuro/

(That's all I have on this one. It could probably go either way, sadly)

daevakun - Italian gelbooru.com/index.php?pa...;s=list&tags=daevakun
daeva
daevakun.deviantart.com/
daevakun.altervista.org/
www.pixiv.net/member.php?id=2075970
yaoi.y-gallery.net/user/daevakun/
www.hentai-foundry.com/profile-Daeva.php


zardra - Finnish gelbooru.com/index.php?page=post&s=list&tags=zardra
zardra.deviantart.com/
www.haikii.org/zardra/
www.hentai-foundry.com/profile-Zardra.php
yaoi.y-gallery.net/user/zardra/


k-tiraam - Finnish gelbooru.com/index.php?pa...;s=list&tags=k-tiraam
k-tiraam.deviantart.com/
www.haikii.org/~ktiraam/main.html
www.hentai-foundry.com/profile-Ktiraam.php
yaoi.y-gallery.net/user/ktiraam/
www.furaffinity.net/user/k-tiraam/


heyohwhoa - American gelbooru.com/index.php?pa...s=list&tags=heyohwhoa
heyohwhoa.deviantart.com/
www.dhcunderground.net/
yaoi.y-gallery.net/user/heyohwhoa/


yaoiismy - American gelbooru.com/index.php?pa...;s=list&tags=yaoiismy
imlikat
yaoi.y-gallery.net/user/yaoiismy/
omfgnarusasuanditachi.tum...smy-also-known-as-imlikat
imlikat.deviantart.com/
yaoi.y-gallery.net/user/imlikat/
www.furaffinity.net/user/imlikat/


anma - Hungarian gelbooru.com/index.php?page=post&s=list&tags=anma
yaoi.y-gallery.net/user/anma/
ryuichi-yaoi.blogspot.com/
ryuichi87.deviantart.com/


zetsho - Mexican gelbooru.com/index.php?page=post&s=list&tags=zetsho
zetsho.deviantart.com/
lesly10.deviantart.com/ ( based on the comments here lesly10.deviantart.com/art/Aburame-Ninja-121223919 )


scribbles_(forosdz) - possibly is zetsho (based on post #582310. It's missing the @forosdz.com and is a leap to make that claim)
Was a user at forosdz.com which was a Spanish speaking forum... seems likely not Japanese


starbag - ? gelbooru.com/index.php?page=post&s=list&tags=starbag
looks like self posts as there is a user user:Starbag with posts tagged starbag

agasan - ? gelbooru.com/index.php?page=post&s=list&tags=agasan
They are all posted by the same user user:yagami1104, many of them seem to be colors of doujinshi pages.