In the days of old the gods and mortals lived together in coexistence. Everyone was happy. Then one by one the gods started mysteriously disappearing until they became mere rumors and myths.

Your mission, should you choose to accept it, is to catch em all! The first one who can collect the usernames of all of the dragonblues and how to summon them (their tasks) will be rewarded with immortality. Shipping and handling applies. Prize may be substituted for just marking you as the answer at OP's discretion.

These are the ones we have so far:
1) JudasIscariot: Messenger of the gods with no messages to deliver. Is summoned by Korean gucci threads and GOG Linux questions.
2) Ciris: Cursed by the gods to do announcements without further interaction. Summoning unavailable.
3) Destro: Sent on a mission but got lost in the Galaxy. Summoning unavailable.
4) TomaszGOG: Last seen trying to eat Destro. Summoning unavailable.
5) Venom: Hiding somewhere in the Galaxy from the zombie Tomasz. Summoning unavailable.
6) Firek: Purpose unknown. Summoned only by making a thread complaining that a ticket hasn't been answered yet.

How many dragonblues are there? Where are they? Why aren't they here? Go forth and discover. And if you need a scouter I have some at reasonable pricing. Same in euros and pounds as USD though so you'll be awarded the regional price difference in Bunny credits usable on something. (づ⌐■‿ ■)づ

Adding the findings below with numbers and links to a post of theirs if it has been provided. I am now not ordering them and instead just am going to add a number to them randomly. :p 70
________________________________________________________________________________________

Habanerose: There also 7) <span class="bold">Johny.</span>, more busy corrupting user wishes than anything else. Summoned by asking questions about java scripts (?)

amrit9037: 8) Petya , 9) </span>, 10) <span class="bold">Noked</span>, 11) <span class="bold">[url=http://www.gog.com/forum/oddworld_series/all_wallpapers/post2]Rostek, 12) Berrylicious, 13) <span class="bold">Fallen_Zen</span>

catpower1980:
14) new dragonblue on the block <span class="bold">B0SC0</span>
15) <span class="bold">Syd0n</span>
16) <span class="bold">Konala</span> who's a new recruit as the "Chief Product - France"
19) <span class="bold">ExpressRising</span> for Team Germany
20) <span class="bold">maladr0Id</span>: Janitor of the gods. Easily distracted. Summoned by suggesting corrections to divine communications.
21) <span class="bold">Venita</span>: Deity of quality assurance. Summoning method unknown.
22) <span class="bold">Thiev</span>: Mysterious elder deity. Summoning method unknown.
23) <span class="bold">Konrad</span>: Divine messenger. Rides a spirit tiger through the astral realms to swiftly bring tidings between gods and mortals.
51) <span class="bold">songoqu</span>:

JMich: 24) </span>? 25) <span class="bold">[url=http://www.gog.com/forum/eador_series/where_can_i_find_the_manual/post3]JuriJ? 26) </span>? 27) <span class="bold">Koala</span>? -- Edit 2: Do add 28) [url=https://www.gog.com/forum/general/quest_for_the_missing_blues/post43]<span class="bold">msilaczewski</span> (Touwa) to the list as well, not sure who that is or what duties they have on GOG yet.
29) <span class="bold">Paczyk</span>, 30) telemetrik, 31) <span class="bold">MC</span>, 32) <span class="bold">Liosan</span>, 33) Gowor
34) Natalia
35) <span class="bold">U314b</span>
36) <span class="bold">Bocze</span>
52) apitis
53) <span class="bold">Rimmu</span>
54) Add Grah to the list of support blues, he is assigned issue 3879 on mantis.
56) <span class="bold">Foiled</span> just appeared in the Galaxy sticky thread.
57) More support staff. Smutny, who deals with my Insomnia Financial chaos.

VanishedOne: 37) <span class="bold">iWi</span>

SCPM: There is (was?) also 38) <span class="bold">michal.czernow</span>, one of the rare blues with a visible wishlist

zeffyr: 55) <span class="bold">SStefania</span> - in order to summon her, write to support :-)

BKGaming: If so then 39) <span class="bold">RAFF</span> & 40) <span class="bold">TOLYA</span> I guess would be blue according to chat. Also 41) <span class="bold">Cypisss</span> and 42) <span class="bold">kusm</span>

WinterSnowfall: Has anyone mentioned the elusive but benevolent 43) <span class="bold">Genoan</span> (from support)?

LynXsh: 44) <span class="bold">KatyaGOG</span>.

45) <span class="bold">mecharma</span>: Wow, I feel left out...

HypersomniacLive: I don't think that anyone mentioned 46) Cwaniak, 47) qp0n, and 48) Dr Cat before. All are Customer Support Representatives, don't think I've seen any one of them ever post in here though.

49) <span class="bold">Moon-and-Star</span>: Hallo. :D

50) <span class="bold">_Lectral</span>: *pop* Where am I?'

HunchBluntley: Just found another one by chance that I didn't see when looking over your OP just now: 58) <span class="bold">Vandal</span>

VanishedOne: 59) litek
62) <span class="bold">Flemeth</span>

60) ryuhayabusa - GOG employee - role not known, presumed Galaxy developer 61) Galaxy developer: rmakagon/Raff

17) <span class="bold">Moon-and-Star</span>

63) <span class="bold">fables22</span>

64) <span class="bold">96Kittty</span>

65? <span class="bold">linuxvangog</span>

The new 18) <span class="bold">psikorski</span> (Pawel Sikorski - Galaxy developer)

66) <span class="bold">Warp9</span>

67)<span class="bold">VanyaGOG</span>

68)<span class="bold">Beta_Ray_Bill</span>

69)<span class="bold">TioJason</span>

70)<span class="bold">Razikale</span>

Unconfirmeds: <span class="bold">Belinda</span>

Former: TheEnigmaticT , TurnipSlayerr , GDoc, Donis/Donnis, TheFrenchMonk, HeinrichVonVeldeke, Oldski, katatonicone , <span class="bold">Amnestiac</span> , <span class="bold">GeorgeTheShovel</span>

skeletonbow: 18) m0radin - GOG Galaxy developer - working on the overlay

What does he say to you? "**** off!"?

Finally I beat tinyE to a joke.

There also Johny., more busy corrupting user wishes than anything else. Summoned by asking questions about java scripts (?)


I also heard rumors that if you manage to post nudes and get them upvoted to "High Rated", a new blue will be born, which will then appear and gracefully remove your thread, obviously after saving all the relevant pics. :P

I think <span class="bold">EVERYONE IN THIS IMAGE IS A BLUE</span>

Ref: Galaxy screenshot

You missed the new dragonblue on the block, aka B0SC0 (with zeros instead of "o"):
https://www.gog.com/forum/general/what_are_you_listening_to_at_present/post4843

And naturally, you can dig into the foreign languages to get some more like:

Syd0n:
https://www.gog.com/forum/general_fr/gog_tweet_en_francais/post1
Konala who's a new recruit as the "Chief Product - France":
https://www.gog.com/forum/general_fr/une_konala_sauvage_apparait/post1

GeorgeTheShovel for Team Russia:
https://www.gog.com/forum/general_ru/osibki_i_lapy_v_russkoj_versii_gogcom/post1
Amnestiac too;
https://www.gog.com/forum/general_ru/lucsie_oficialnye_i_neoficialnye_lokalizacii/post1

ExpressRising for Team Germany
https://www.gog.com/forum/general_de/gog_galaxy_1/post1

I just found this one. Do I get the answer now?

And the queen of announcements is "Ciris" ;)

maladr0Id: Janitor of the gods. Easily distracted. Summoned by suggesting corrections to divine communications.

Venita: Deity of quality assurance. Summoning method unknown.

Thiev: Mysterious elder deity. Summoning method unknown.

Konrad: Divine messenger. Rides a spirit tiger through the astral realms to swiftly bring tidings between gods and mortals.

TheEnigmaticT: Beloved deity of a previous age. Cosmic rebel who gave up divinity to pursue heroic adventure in the mortal realm.

Wait, wait, wait... There's a community manager on GOG?! O.o

TurnipSlayerr, who shouldn't be summoned as he knows ways to bring dismay not just to innocent vegetables.

Sorry, no longer blue. Let me find his latest post.
Edit: Here

We are being cared for by his/her guiding hand without even knowing it.