Physically and verbally abuses Cody for no justifiable reason. Mocks Cody’s interests and uses him as a punching bag to make himself feel superior. Displays homophobic tendencies. He takes zero accountability for his actions. He routinely manipulates his best friend Joseph into joining him in bullying Cody. He exhibits extreme hypocrisy, easily forgiving his own wrongdoings but exploding in rage when others make the same mistakes. He became an obsessive, controlling, and jealous boyfriend, displaying stalkerish behavior. He has murdered others out of pure jealousy or minor inconveniences, often showing sadistic delight while doing it.

Despite claiming to be Junior’s best friend, Joseph frequently abandons him or changes allegiances if someone cooler or wealthier comes around. Along with Junior, Joseph is notoriously mean to Cody, often hurling insults and mocking Cody's sexuality and his Ken. He has a history of making sexist remarks and being highly dismissive of female characters, particularly Penelope. Despite frequently bullying others, he is quick to play the victim or act cowardly when the tables are turned on him. Dark, unhinged tendencies to full-blown psycho killer behavior. He is known to commit extreme acts of violence, kidnapping, and arson.

He constantly demands money, toys, and junk food. If he doesn't get his way, he throws severe tantrums or acts maliciously. He is highly deceptive and frequently uses feigned innocence or tricks to get out of trouble, particularly when dealing with his caretaker, Marvin. Jeffy often acts without thinking, leading to accidental property damage or violent outbursts. He is known to use weapons like his infamous bloody shovel when provoked. He shows very little empathy for others' struggles, typically only caring about how situations benefit him in the moment.

Ken tries to isolate Cody from his friends. He demands Cody's exclusive devotion and frequently threatens to hurt Cody if he does not get his way. Ken has shown a severe dark streak. His obsession has led him to stalk and even attack others. Even when Cody shows him immense love, Ken often turns on him. He has used Cody for his own selfish gains, like manipulating him to buy tickets to events or doing them physical harm. Ken's behavior essentially mirrors an unhealthy, toxic romance, where he uses threats and intimidation to keep his Cody permanently by his side.

Much of his personality relies on uncomfortable innuendos and inappropriate actions, particularly involving Cody. Timmy is willing to play on people's emotions. He manipulated Cody by forcing an ultimatum to drop his Ken, which caused significant emotional turmoil in their dynamic. A closeted, rebellious teen. His notoriously arrogant "Vile Puppet Smirk" is widely recognized as one of his more irritating, mocking physical traits.

Richard's defining trait is that everything he dislikes or finds beneath him is disgusting, constantly shouting to insult others. He believes money solves all problems and frequently demands things like spending millions to rent out entire theme parks. Enforces rules with threats of violence like his father, Richard frequently uses financial bribes or extortion to get his way.

His cruelty is a direct result of neglectful, never there parents, causing him to take his anger out on others. He relishes taunting and harassing students. Despite repeated beatdowns from his victims, he lacks the self-awareness and intelligence to stop picking fights. Though a menace to most, he mysteriously refrains from bullying certain students showing some degree of social selectivity.

Her romantic feelings for Junior often manifest in highly obsessive and jealous ways rather than healthy affection. Penelope frequently resorts to whining and throwing tantrums when she doesn't get her way, often treating Junior with cold, brother and sister like bickering. Her relationship with Junior is notoriously chaotic, fueled by continuous paranoia, accusations of cheating, and reciprocal trust issues.

Rather than genuine care, her love is an abusive obsession. While she may occasionally show affection, she casually threatens Junior and even expresses a desire to mutilate or kill him. She uses psychological warfare to break down her partners' reputations. She is highly reactive, frequently throwing explosive temper tantrums over minor misunderstandings or perceived slights. She masks a toxic, easily angered, and controlling nature behind a facade of apathy and constant moping.

He demands absolute conformity, making friends with others only for his own entertainment and ego. When he doesn't get his way or feels threatened, he resorts to extreme measures. In one notorious instance, he physically attacked Jeffy simply because he felt outshined. His kindness often functions as a calculated effort to maintain his popularity and manipulate the people around him.