Laughing Jack

Laughing Jack is the titular main antagonist/protagonist of the Creepypasta story of the same name. He is a sadistic killer clown who was originally created to protect children, and now seeks to murder them.

History
Created by a guardian angel, Laughing Jack was initially a colorful Jack-in-the-box clown whose personality reflected the personality of his owners. He was later sent as a Christmas present to a lonely boy named Isaac Grossman in the 1800s.

Isaac then abandoned Laughing Jack after being sent to boarding school. Laughing Jack grew monochrome and emotionless as a result of his isolation. Meanwhile, Isaac grew up to become a cold-hearted serial killer who kidnapped, tortured and murdered several innocent neighborhood residents. Although horrified at first, Laughing Jack's personality soon emulated Isaac's evil personality. One day, Laughing Jack was accidentally released and he appeared to be a taller, darker and demonic version of himself. Resentful of his traitorous owner, he tortured and killed Isaac with the same weapons he used on his victims.

As time passed, Laughing Jack visited several other children, most of them lonely or neglected, and pretended to be their imaginary friend. However, he would eventually torture and kill them all, with their souls trapped in the nightmarish realm of an abandoned fairground. To make matters worse, the song "Pop Goes the Weasel" plays in the background forever, tormenting them.

In an unspecified year in the modern era, Laughing Jack visited a lonely suburban 5 year old boy named James, under the guise of an imaginary friend. James told his mother but she dismissed it as a "phase". One night, his mother had a nightmare, witnessing the souls of Laughing Jack's past victims in an abandoned fairground.

The next day, Laughing Jack places James' action figures on top of his mother's nightstand, presumably as a way to taunt her. She questions James but he simply tells her the truth, much to her disbelief. Later, James receives a handful of candy from Laughing Jack in the garden. His mother notices this and demands him to tell her how he got it. James, again, tells her the truth but she assumes that one of the next-door neighbors gave him the candy.

Laughing Jack eventually kills Fido, the family dog, hangs its body on the kitchen light fixtures, and trashes the rest of the kitchen. He also guts its stomach open and replaces it with candy. The mother witnesses this and takes her son next door, where she called the police. The police dismiss it as a robbery, but the mother refutes their assertions, claiming that all the doors were locked and none of the windows were open during the incident. She presumes that whoever did this was already inside her house prior to the incident.

They both return home and the mother decides to check on her son via the baby monitor. The mother hears a soft moan and enters James' room, where she sees her son nailed on the wall, disemboweled with his eyes gouged and tongue and teeth removed. She also sees Laughing Jack, in his true, monstrous form, who sadistically cackles at the sight of his "work".

Having enough, the mother grabbed a knife and tried to kill Laughing Jack but he simply vanished into a black cloud. This distracted the mother, causing her to accidentally plunge her knife into James's beating heart instead, killing him instantly. The police arrest her and send her to the Phiropoulos House for the Criminally Insane. She claims that being institutionalized is not that bad, despite noting that somebody (presumably Laughing Jack) keeps playing "Pop Goes the Weasel" outside her room.

Appearance
Laughing Jack used to be a colorful, tan-skinned clown who would were a brilliant rainbow attire with shaggy hair and a long cone nose. After being abandoned for 13 years, his appearance changed to being completely monochrome, leaving him to look like some sort of demon.

Personality
Laughing Jack used to be an optimistic, cheerful, and prideful clown to would love to bring Issac as much happiness as possible before he left him. After being left alone, he starting to turn into a depressed state and became slightly insane. When Issac finally returned as a menacing serial killer and accidentally released Jack, he had completed his transformation into a treacherous, monstrous, cruel, sadistic, and ruthless psychopath to completely turned his roles and interactions with children upside down, as he sadistically tortures them and breaks the minds of their parents by psychologically damaging them by using their children's deaths.

Powers and Abilities
Laughing Jack is a magical being, with incredible dark magical powers, being able to teleport in an instant in a puff of black smoke, turn himself invisible, and being able to mutilate the organs of his victims. Jack is also able to create nightmares and hallucinations, presumably to parents, such as he did in the original story, and can use telekinesis to move objects with his mind, making his victims seem crazy.

Danger Level
Laughing Jack is a vile, twisted, and sick creature who both kills children and breaks their parent's minds. He is a monster that is fully capable of mutilating and violently murdering anybody he deems as worthy to be his "friend". However, Jack does not seem to target children of the age of 13 and above, and solely targets younger children. Although, Jack could be locked in his box again and not be released until someone broke or opened it, mainly because Jack would remember being trapped in in for so long, and would probably break down and succumb to his prison. It is also entirely possible to get Jack out with a simple exorcism. Earning him a 9.4 on the danger level.

Trivia

 * It is unknown just what the creature of Laughing Jack is, with popular suggestions being a demon, or even a demigod, although, he started off as a normal, magical entity, eliminating these two options.