It is maybe a live-action/animation hybrid movie in the vein of Who Framed Roger Rabbit but it is much more gritter, dealing with themes of depression, madness, lust, and violence combined with cartoon imagery ranging from hyper-realistic horrors and deranged cartoons that come out of a demented nightmare.
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- Holli Would, while she seems like a fun and flirtatious person to hang around with at first, it gradually becomes abundantly clear by the end, she is a narcissistic sociopath driven by her hedonism, breaking taboos such as seducing Jack into having sex with him in order to become human, and later utilizing the Spike to blend the Doodle and Noid worlds together, not caring for the potential catastrophe as long as she gets personal amusement out of it.
- Even without the overtly supernatural elements, she's essentially a PG-13 cartoon sexual predator that lures in men with her feminine willies and dumps them once they're no longer useful.
- If one really examines her role, it becomes all the more unnerving what she truly is in the narrative. A beautiful figure that is associated with light- dressing in white/bright clothes as well as blonde with blue eyes, that tempts a man into committing a grave sin that has severe consequences on reality itself afterward, trying to escape what is essentially Hell- a nightmarish landscape with a crazed populace of warped figures, while also defying the authority of the world as an active rebel even if said rebellion undoes reality in the process. Holli is essentially the Devil in the form of a lustful woman
- Not only that, but she also can be very murderous when pushed into a corner as she murders Frank by pushing him off a high ledge when he was trying to get her back home with no remorse. Not helped by her stone-cold live-action face flipping rapidly between her angered Doodle face that looks more like a warped exaggeration of her live-action actress with clown makeup.
- Her Doodle spasms where she and Frank glitch between being Noids and Doodles randomly, looking like warped clowns and highlighting the unnatural effects of breaking the sex taboo. She initially looks somewhat silly, but the closer she gets to the Spike, the more unnaturally hyper-realistic she looks until she resumes her natural appearance.
- The world of Cool World itself, rather than being the zany but ultimately fun Toon Town, Cool World is essentially a city warped into a deranged parody of a city with dark buildings with hyper-realistic mouths, buildings shaped like exaggerated human faces, architecture that has biomechanical structures, and a populace that range from looney but violently insane to hyper-realistic horrors, looking like a depiction of Hell.
- The dance number of Holli Would when Jack first meets her in Cool World The Devil Does Drugs plays- a hypnotic dance beat with subtle deranged-sounding lyrics while the other crazed toons dance in sync. It subtly highlights her sinister nature and the surrealism of the situation.
- Holli's doorknob. It has the tendency of constantly pushing its skull outwards as it speaks and it's designed in the more hyper-realistic designs of the scarier Doodles to elevate the terror.
- Anytime that that the hyper-realistic characters appear on screen, as they distort in unnatural ways that make the regular cartoons seem tame in comparison. Highlighting how terrifying the world is.
- When Holli utilizes the Spike to cause the worlds to merge, leading to hyper-realistic animation horrors to deranged ink blobs comprised of several cartoons start to emerge and warp the populace into Doodles.
- Sparks, while he's ultimately not as big a threat as Holli, he is just as bad as her morally if not worse, outside of his physical abuse at Frank's hands, is an implied cutthroat gangster who is frighteningly realistic in his serious and violent behavior and down-to-earth compared to other zany toons. He has these wooden nickels with demonic faces that proceed to to maul a group of naughty but still young Doodle kids with the unsettling implication that these coins ate these kids alive when the nickels came back to him. His lack of reaction shows he's a cold-blooded killer but also he's done this several times before to countless victims that annoyed him.
- Jack Deebs, is a cartoonist who murdered a man out of anger for sleeping with his wife and is implied to be slightly insane to a degree, engaging with Holli for the sole purpose of engaging his lustful fantasies, which she also wants. His distance from humanity causes him to be drawn to Cool World as an alternative to reality, indirectly drawing aspects of this world- mistakenly believing he created it and being lured by Holli as a pawn in order to reach the world of Noids. After having sex with Holli, he randomly glitches and eventually becomes a stereotypical superhero character with his snarky original personality being wiped out.
- The manner in which Holli pulls Jack into Cool World, her sketch "body" reaches out and pulls him in before twisting her form like going down a kitchen sink. It's little wonder Jack in spite of his prior record as a killer, is justifiably freaked out at this abnormal breach of reality. Accompanied by eerie music.
- The kicker is that Frank considers this hellscape preferable to the real world due to the trauma he endured that led him to indirectly enter Cool World in the first place, both the death of his mother and what he suffered through in WWII. It says a lot about humanity that Frank would see a crazed hellhole as the lesser evil because at least the damage can be walked off.
- The death of Frank's mother. One moment, they're enjoying a motorcycle ride on the Los Vegas road suddenly a driver suddenly causes the motorcycle to get out of control and his mother dies in the crash. Frank suffers an episode of Ptsd from the war and then the revelation of the death of his mother causes so much trauma that he collapses in despair and is then teleported into a chaotic world of looney toons where he remains ageless as the sole enforcer of order- because facing the reality of the guilt of his mother's death as well as his implied experiences in war was too much to bear in comparison.
- The bunny. Initially a victim of Holli's gang of thugs, they soon reveal their true nature by telling the police officer to tear off the faces of those who cheated them inside out till their mothers don't recognize them while tearing the shirt of the officer before going back to their usual attitude. Given how Disney-esque it looks, the sudden psychopathic outburst is surprisingly scary.