Lost character on old realm Ragnaros

Hello! Back in 2015 i was an active player on this server, and, as far as i remember, i had a shaman named Markzloljk or Marksloljk on the Ragnaros realm. Is character restoration possible on any of the realms, preferably Icecrown? Because i have invested quite a lot of time on that shaman, and i would like to see it back to life. Or atleast, based on the full history of the account, can i get my coins and points that i spent back?

P.S. I would also like to say that i'm a contributor to the server, and if it's needed, i can prove it. Not sure it would help my case, but i decided to just add this as an extra.

Many thanks!

Is this the right section? I did my best.