Choose a theme for the above poster.

Big, burly, no nonsense Orcish Warrior, presumably always ready for battle ...

https://www.youtube.com/watch?v=qtZPIIU5dK8

... nothing special, just a little bit of background atmosphere that gives the impression that he's ready to go.
I have a hard time picking just one theme, most of the time. Some themes are really good at conveying a feeling or setting a very specific tone, but characters are usually multifaceted and have layers.

I searched through some of your posting history and found a bit of a nature-lover, but also a man that's rather... shallow? He quickly catches superficial elements of someone's appearance, and points them out with a sharp wit and a bit of a rascal in him.

So I settled for two themes, one for those calmer, meditative moments when you turn inwards to focus on your character's frustrations, struggles, or simply when they commune with nature, or somesuch...

https://www.youtube.com/watch?v=ADIaxkUitl8

And then there are those moments when your character has to let loose and take care of some business. It's somewhat light in tone, because I imagine your character's a little sharper, sneakier and quicker than one of those lowly, brutish peasant orcs, no matter if it's an oral duel or a slightly more violent encounter.

https://www.youtube.com/watch?v=7i9uvJD1Fh0
Your character... she gives me a hard time. Your oc seems like a nice and somewhat shy person, often finding herself in awkward situations. Despite this she seems to state her views. I think I am going with...

https://www.youtube.com/watch?v=18rGMO4he2A

I am probably biased.
You look like you are independant and like solving your own problems. It's hard to find a theme that really fits based on appearence alone and I'm just wild guessing here, still I hope you like it.

https://www.youtube.com/watch?v=Me6lB4Ti7o0

I had another one in mind if you hate this one :D
Since you're a Guardian druid I just had to do it:

https://www.youtube.com/watch?v=9ogQ0uge06o

I'm sorry.
https://www.youtube.com/watch?v=ZFWWe9mkAi4

I dunno why, but I just kinda find it easy to associate this particular track with how a lot of sorcerers in fiction are. Perhaps for ironic reasons - the best reasons.
https://www.youtube.com/watch?v=8nKb_2A3YzA

I don't know about your character but it suits a Worgen.
I kinda liked this topic. Good of you to necro it, Vìckí.

As for a theme for Avelise, I'm gonna go with a classic:

https://www.youtube.com/watch?v=Qq4j1LtCdww

Since you're assassination, I really can't think of anything better.
https://www.youtube.com/watch?v=CqhBsKG7fiM

Sorta' foreboding with ominous undertones, yet collected and sophisticated. I could see Avelise sittin' in a dark corner of tavern, smoking a pipe as she assess the strangers that enter the inn, seeking refuge from a dark and dreary cold night.

Edit: Gimme' a sec, makin one for iriath aswell!
@Irhiath
https://www.youtube.com/watch?v=q2fLQE4FC54

There ya' go buddy.

The paladin feel his confidence shatter, the air grows cold and damp, the believed to be defeated Deathknight rises from the ground. He stares in disbelief as Irhiath brushes some dust from his armor and let's loose a dry chuckle that hangs in the air like a foul stench.
A Goblinoid Death Knight? Okay, we need to find just the right amount of balance between sinister, theatrical, cartooish villainy, heaviness and general badassery ...

https://www.youtube.com/watch?v=nOnXAs0VFvU

... voila.
https://www.youtube.com/watch?v=6jJkdRaa04g

... what? Low hanging fruit?

Fine, fine.

Now, if there's any one thing we know of mr. Ulthaerin over here it is that he is what is colloquially referred to as a "man of culture". Not only in his antics with various members of the opposite sex, but in most if not all aspects of his life. I doubt I could really find anything with lyrics that'd aptly summarize it all, but I go have an instrumental in mind that does. A joyful little tune as we peek into an adventure that will, to Seth'ranis himself, be little more than another day in the life.

https://www.youtube.com/watch?v=_F5459jCtuM
Dead Island theme. Obviously
Eh... I've no idea. I was gonna look up your bio in that old thread we had but I don't think I've seen you there. If you share that I may be able to give you something more accurate. For now I'm going on nothing in particular but the fact that you're Alliance. Enjoy:

https://www.youtube.com/watch?v=OmZY8pxypuU
What thread?

(Skip me)
23/01/2018 09:58Posted by Blanes
What thread?

(Skip me)


https://eu.battle.net/forums/en/wow/topic/17617036632?page=2
@Ialith
https://www.youtube.com/watch?v=hWkzH6eBCHE

Alright, with that joke out of the way...
While your post history doesn't contain a lot of messages, what little there are paint a clear picture. One of an elven lady who has turned to the darker arts, is entirely open and unapologetic about it and strives to become more powerful by whatever means necessary.

https://www.youtube.com/watch?v=pxUcSmbXTzs

Cue music. It's not only the melody itself that I chose this track for, but for what it represents. Black, out of the five colours of magic, is oriented on obtaining power — ultimate power at any cost. Warlocks as a whole are a very 'black' aligned lot, and Ialith has shown to be a prominent example of why.

Just remember - dark is not necessarily evil.
Worgen warrior... Hmm... I'd would go with Painkiller by Judas Priest. https://www.youtube.com/watch?v=nM__lPTWThU
Okay, so erm ... really have nothing to go on asides from him being a Worgen hunter, so uh ... prepare for random "wolf" or "hunter" related songs. Since you're linking Priest, I'm guessing you like Metal, which most of these shall be!

https://www.youtube.com/watch?v=mcm6D8m4ldc

https://www.youtube.com/watch?v=G5UKq7qUpYU

https://www.youtube.com/watch?v=R5H6on8ZbIM

https://www.youtube.com/watch?v=vrya8V92iqo
A goblin priest. there's only one option

https://www.youtube.com/watch?v=rP2MDtWu5t0