Top left: random rug/sheik dude. Top right: a rendition of Gothika, an old MUD character I used to play. Bottom left: Jax, my favorite character from an abandoned original anime-style story project. Bottom right: Kiryan, from same story as Jax. The lyrics Jax is singing are from a Linkin Park song.
Weapons of choice: pencil, colored pencil, black fine-tipped Sharpie