This Looks Great.
Whoa man this is a cool piece of artwork! you did alot of known charcters in it. here are some more :
Jason Voorhees, Freddy Krueger, Pacman Ghost, Pokemon creature, Mario Ghost, someone from the band Kiss, an zombie Michael Jackson, the vampire from Sesame Street :3, a Creature/zombie from Minecraft, the GraveDigger truck from Monster Jam, Sheez and probably alot of another Characters. As STCE3 Already sed this will look good on a wall. you also got em as an poster? Well,
This looks nice and i bet you have putted alot of time into this. I wanna see more :D! Keep it up!