This was your character for the Monster Mix event, right? I'm not sure why you brought them to wRHG. The point here is not to go for the grotesque and overpowered, but those things that would put on as interesting a show as possible (it's showbusiness, after all). Monster characters are hard to pull off properly anyways. Best examples that come to mind are Handyman, Zalgo and Omega. When you look at Zalgo and Omega, they're pretty powerful monsters, but their power is focused. Even Omega, who had some tacked on abilities, kept it largely simple: He was a tentacle alien with a metal body and a glowing halo he used to bash people with. Handyman is in a league all of his own. Now, when I see your character, I see you've had a burst of inspiration because there's some things in here that could potentially be interesting. However, it gets buried under an avalanche of tacked on shit, so let's have a closer look at what's wrong with this character.
Appearance
There's just so many grotesque details on this character that I don't even know what I'm supposed to imagine when reading your description. To bring up the prior examples, even without their visual references, I had a pretty accurate idea of what Zalgo, Handy and Omega looked like. There's a bit of give and take, of course, but imagination is a fun thing. With your character, I'm just picturing a mass of green spaghetti supported by four pillars of skulls, with the face of a furby.
The visual description is all over the place, too: His legs are white, but his body is green, but his eyes are grey, his beak is maroon and his tongue is purple. I feel like I just went into a kindergarten and opened one of those books with the pre-drawn figures that toddlers have to colour. Seriously if we had a visual ref for this character it'd be a sore on the eyes. I don't expect you to pull some master artist level of aesthetic harmony here, but usually you choose a single colour scheme and stick to it (Zalgo/Omega/Handy are all black. Original? Debatable. A sore on the eyes? Definitely not).
About
Not really the most interesting backstory. I mean your monster's motivation has devolved into "kill everything" so the backstory could've just as well been 'there's this monster that showed up someday that's been around for a while and kills shit' and it'd have made little difference. Backstory doesn't really matter that much for this kind of character, I suppose, but at least give us something more interesting than a grave digger that got cursed by witches and is now a monster. Heck,
if you start with a grave digger there's so many more interesting things I could think of than "he got abducted by witches". If that's your setup then him being a grave digger makes literally no difference, he could've just been an average joe and it'd still be the same. Also, why does it have such a precise amount of skulls and such a precise, round killcount? Why does it hoard skulls? Why have all accounts of this creature been ripped from history? That just seems like tacked on bullshit to me.
Abilities
Where to even start with this mess.
So to pull from Kami here, why don't you list all of its bodily functions under an anatomy section. Now it looks as if your character has thirteen different abilities, and no character should have so much shit tacked onto him. Speaking of tacked on shit, let's distill what matters about this character. Your character is called "the skull walker" but looking at his page skulls don't even consist of a fraction of his arsenal. You'd think a character called the skull walker would have a lot of abilities revolving around skulls, no?
The whole mist thing is tacked on and adds nothing to your character. Worse, even, Pitch has pointed out how you quite deliberately mimicked it after his. If there's one thing you don't want to do it's literally ripping off someone else's character. I suggest you just get rid of the mist entirely.
Kamiroo already pointed out the inconsistency with the tentacles so I suggest you fix that. I'd also just get rid of the omniscience (eyes can see anything/tongue can sense them anywhere). I don't really get how you suppose any character will even be able to get a hit in on your monster if it just knows their exact location at any time.
Mobility- It can use its tentacles to hang from branches in trees or to get around quickly if it loses its legs. Also it is surprisingly fast for a being that only has skulls for legs. It can “walk” at a speed of about ten mph.
Strange, because before you said it could move at fifty mph if using its tentacles. What's stopping it from using its tentacles all the time?
The cacaphony of voices is something you tacked onto your character after you made them for the monster event. So is the fog teleportation (stop stealing from other people or I'll stop being polite). So is the fog manipulation, and so is the stuff with the skulls? What? How can the skull abilities be tacked onto a character that was literally already called the skull walker?
The skulls- this is used only when the Skull Walker loses both its tongue and eyes. It will use the skulls on its legs, if it has any left, to light the way forward for it and it will run back the way it came from. The light is fairly bright and it is easy to follow the Skull Walker. It can also use any skulls it has launched to see its opponents for the skulls on the ground will grow four tiny legs and will start walking towards the creature’s opponent in an attempt to slow them down while the creature gets away.
This all makes very little sense and just sounds like a cop out way to give your already untouchable monster a way out if he's ever in harm's way.
I really don't even know what to say about the abilities section. If we cut away all the stuff that's just either a blatant ripoff, or blatantly tacked on, then we're just left with a monster that can bite and use its tongue and spit drool. Not really a very fresh or interesting concept. Omega has already filled the tentacle void in our lives, too. I wish I could tell you what you should do but I honestly can't think of anything.
Weaknesses
Kamiroo already pointed out the inconsistencies here too. The rest of it is either extremely straightforward (harm his eyes and he can't see: YOU DON'T SAY, SHERLOCK?), or extremely tacked on (I screamed and I am now vulnerable to attack like a sort of video game bossfight). The whole guns thing is irrelevant because almost no character in the entirety of the wRHG uses one (for obvious reasons).
Personality
"I am a monster that eats things." Slow down there champ before they give you the nobel prize for literature.
As always, I don't read demo's unless I'm fighting the character, and I don't think I ever will fight this particular one in its current state. Some heavy polish is in order here. I wish I could give you a bit of a sense of direction but this character is just such a cesspool of different ideas that I wouldn't know what avenue to start with. If anything I'd implore you to sit down and think thoroughly about what it is in this character that appeals to YOU, then scrap everything that doesn't directly relate to that exact idea, and start building up from scratch again. The whole grave digger avenue sounds at least somewhat potential; Maybe he was a grave digger burrying unholy and unsavory characters, and it began to corrupt and transform him into some sort of hideous beast? The possibilities are endless.
