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Teeth
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"Teeth" Characters Analysis

A lonely teenage boy forms a complicated friendship with a mysterious, part-human, part-fish boy named Teeth while struggling with family secrets and the pain of his brother’s illness on a remote island.

Estimated read time: 13 min read

List of Characters in "Teeth" by Hannah Moskowitz

Character NameRole in StoryBrief Description
TeethDeuteragonistA mysterious fish-boy with a tragic past
RudyProtagonistA sick teenager seeking a cure
OliviaSupportingRudy's overprotective mother
DylanSupportingRudy's terminally ill younger brother
DianaSupportingA girl with selective mutism
PaulSupportingDiana's abusive father
The HealerMinorIslander rumored to possess healing powers
The FishSymbolicMagical fish believed to have healing abilities

Role Identification

Character NameRole TypeNarrative Function
TeethDeuteragonistCatalyst for Rudy’s transformation
RudyProtagonistCentral narrator, drives the story forward
OliviaSupportingEmbodies parental desperation and sacrifice
DylanSupportingRepresents innocence, hope, and tragedy
DianaSupportingAlly to Rudy, symbol of resilience
PaulAntagonistSource of conflict and trauma for Diana
The HealerMinorRepresents false hope and superstition
The FishSymbolicRepresents the island’s secret and moral dilemma

Character Descriptions

Rudy

Rudy is a teenage boy who suffers from a chronic, incurable illness. His family moves to a remote island, hoping that the magical fish rumored to heal the sick will cure his younger brother, Dylan. Rudy feels alienated, grapples with guilt, and is desperate for meaningful connection. He develops a close, complicated friendship with Teeth, the mysterious fish-boy, which redefines his understanding of love, sacrifice, and pain.

Teeth

Teeth is a hybrid—half human, half fish—who exists on the margins of both worlds. He is tormented by his origins, the loss of his family, and his inability to belong. Teeth defends the magical fish from being caught, as each death is agony for him. He is self-sacrificing, fierce, and deeply lonely, yearning for acceptance and love.

Olivia

Olivia is Rudy and Dylan's mother. She is determined, loving, and willing to do anything to save her youngest son. Her relentless pursuit of a cure strains her relationship with Rudy, blinds her to the moral implications of their actions, and creates tension within the family.

Dylan

Dylan is Rudy's younger brother, gravely ill and the reason for the family's relocation. He is sweet, innocent, and unaware of the burden his illness places on his family. Dylan’s vulnerability is a source of both hope and pain for Rudy and Olivia.

Diana

Diana is a mute girl living on the island. She becomes Rudy’s confidant and friend. Her silence is a coping mechanism for her trauma, mainly caused by her abusive father, Paul. Diana displays resilience and empathy, especially towards Rudy and Teeth.

Paul

Paul is Diana’s father and a secondary antagonist. He is abusive and manipulative, embodying the darker side of the island community. Paul’s actions contribute to Diana's trauma and silence.

The Healer

The Healer is a minor character who personifies the island’s superstitions. He is reputed to have mystical abilities, but ultimately serves as a symbol of the community’s desperation and the false hopes that keep them captive.

The Fish

The fish are magical creatures whose flesh is believed to cure illnesses. They are a symbol of both hope and moral ambiguity, as their slaughter comes at a great cost—especially to Teeth.


Character Traits

Character NameCore TraitsNotable Behaviors
TeethLonely, protective, self-loathingDefends fish, forms deep bond with Rudy
RudyAlienated, compassionate, guilt-riddenSeeks connection, questions morality
OliviaDetermined, loving, desperateSacrifices morals for Dylan, ignores Rudy’s needs
DylanInnocent, trusting, vulnerableUnaware of family’s sacrifices
DianaResilient, empathetic, silentSupports Rudy, defies her father
PaulAbusive, controlling, secretiveInflicts trauma on Diana
The HealerMysterious, manipulativeOffers hope, perpetuates superstition
The FishHelpless, magical, symbolicAre hunted, central to island’s mythos

Character Backgrounds

Rudy’s Background

Rudy’s life is defined by illness—his and his brother’s. The move to the island isolates him further and places him in a caretaker role. His internal struggle is fueled by guilt for his health compared to Dylan’s and resentment toward his mother’s single-minded focus.

Teeth’s Background

Teeth’s origins are mysterious. He was born of a human mother who was impregnated by a magical fish. His existence is agony; he feels every fish’s death as his own. Teeth’s deep-seated loneliness and trauma drive his actions and his need for connection.

Olivia’s Background

Olivia’s identity revolves around her children. The pressures of caring for two sick boys and the hope for a miracle push her to desperation. Her willingness to believe in the island’s myths reveals her vulnerability.

Dylan’s Background

Dylan has always been sick. He is the center of the family’s attention and the reason for their move to the island. While he is mostly unaware of the adult world’s complexities, his illness is the axis around which the story turns.

Diana’s Background

Diana’s past is marked by abuse and silence. Her mutism is a response to trauma inflicted by her father, Paul. She copes by forming nonverbal connections, especially with Rudy, and demonstrates resilience through her actions.

Paul’s Background

Paul is an islander whose abusive tendencies are well-known. His relationship with Diana is fraught with violence and control. Paul represents the darker undercurrents of island life.

The Healer’s Background

The Healer is a product of island lore. He maintains his importance through deception and mystique, offering hope where there is none.

The Fish’s Background

The fish are magical beings whose flesh can heal—but at a moral cost. Their existence is integral to the island’s economy and mythology, and their relationship with Teeth is both literal and metaphoric.


Character Arcs

Character NameStarting PointKey DevelopmentsEnd Point
TeethIsolated, self-loathing, protectorForms bond with Rudy, confronts his traumaGains self-worth, chooses self-sacrifice
RudyDesperate, guilt-ridden, lonelyBefriends Teeth, questions moralityAccepts loss, matures emotionally
OliviaSingle-minded, hopeful, desperateIgnores Rudy, clings to hopeFaces reality, is forced to let go
DylanSick, innocent, dependentExperiences hope of cure, remains center of familyRemains unchanged, symbol of innocence
DianaMute, traumatized, withdrawnBefriends Rudy, stands up to PaulBegins to heal, gains agency
PaulAbusive, powerful, fearedLoses control over DianaExposed, loses influence
The HealerMysterious, reveredExposed as fraudLoses authority
The FishHelpless, huntedTheir plight becomes central to conflictSymbolizes consequences of human actions

Relationships

Character 1Character 2Relationship NatureImpact on Story
RudyTeethFriendship, burgeoning loveDrives character growth, central to plot
RudyOliviaSon–Mother, strainedHighlights generational and emotional divide
RudyDylanProtective, guilt-ladenMotivates Rudy’s actions and choices
RudyDianaConfidant, mutual supportProvides emotional anchor for both
TeethThe FishSymbiotic, empathicSource of Teeth’s pain, plot catalyst
DianaPaulAbusive, oppressiveDrives Diana’s trauma and muteness
OliviaDylanMother–Son, hopefulSource of Olivia’s desperation
DianaRudyFriendship, supportHelps Rudy cope, emboldens Diana
TeethRudyIntimate, transformativeMutual healing and sacrifice

Rudy & Teeth: Central Relationship

Rudy and Teeth’s bond is the emotional core of the novel. Initially, Rudy is wary but curious about Teeth. As they spend time together, Rudy becomes protective, seeing beyond Teeth’s monstrous appearance. Their friendship grows into a profound, if unspoken, love. Teeth’s vulnerability gives Rudy the purpose and connection he craves. In turn, Rudy’s kindness and acceptance help Teeth confront his trauma.

Their relationship is fraught with pain and misunderstanding but ultimately becomes a source of healing for both. Rudy learns empathy, courage, and self-acceptance, while Teeth finds solace, even as he chooses self-sacrifice.


Rudy & Olivia: Mother–Son Tension

Olivia’s obsession with curing Dylan blinds her to Rudy’s emotional needs. Their relationship is marked by neglect and miscommunication. Rudy feels invisible and resents Olivia’s single-mindedness. This tension underscores the novel’s themes of sacrifice and the cost of hope.

In the end, Olivia is forced to confront the consequences of her actions, realizing the damage done to Rudy and the futility of her quest.


Rudy & Dylan: Protective Sibling Bond

Rudy’s relationship with Dylan is complex. He loves his brother deeply but is burdened by guilt—both for being healthy and for the sacrifices made on Dylan’s behalf. Rudy’s desire to save Dylan motivates much of his behavior, but he ultimately learns to accept the limits of what he can control.


Diana & Rudy: Muted Empathy

Diana and Rudy’s friendship is built on mutual understanding. Both are outsiders, bearing emotional wounds. Diana’s silence is a comfort rather than a barrier, allowing Rudy to open up. Diana’s quiet strength inspires Rudy, and her eventual stand against her father is facilitated by their bond.


Teeth & The Fish: Interconnected Pain

Teeth’s empathy with the fish means he experiences their suffering firsthand. This connection fuels his mission to protect them, even at great personal cost. The fish’s plight becomes a metaphor for Teeth’s own struggle—caught between worlds, unable to belong.


Diana & Paul: Source of Trauma

Paul’s abuse is the root of Diana’s muteness. Their relationship is marked by fear and control. Diana’s eventual defiance is a pivotal moment in her character arc, symbolizing hope and resilience.


In-Depth Character Analysis

Teeth: The Outsider’s Agony

Teeth is the most complex character in the novel. His existence is defined by pain—physical, emotional, and existential. As the only one of his kind, he is profoundly isolated. Teeth’s trauma originates from his mother’s loss and the agony he feels each time a fish is killed. His empathy is both his greatest strength and his deepest wound.

Despite his suffering, Teeth is fiercely protective, especially of the fish. He is capable of violence, particularly when defending those he loves or when threatened. His relationship with Rudy is transformative, granting him a sense of belonging for the first time. Yet, his arc is tragic; Teeth ultimately chooses to sacrifice himself, believing it’s the only way to end the suffering of others.

Teeth’s journey explores themes of identity, belonging, and the cost of empathy. His self-loathing is gradually replaced by self-acceptance, though it comes at the ultimate price.


Rudy: The Search for Meaning

Rudy’s arc is one of emotional maturation. He begins as a guilt-ridden, lonely teenager, overshadowed by his brother’s illness and his mother’s desperation. Rudy’s move to the island exacerbates his isolation, but it also provides the catalyst for his growth.

Through his friendship—and eventual love—for Teeth, Rudy learns to confront difficult truths. He questions the morality of sacrificing the fish for Dylan’s health and wrestles with the limits of hope. Rudy’s empathy expands, allowing him to accept loss and appreciate the complexity of love and pain.

By the novel’s end, Rudy is no longer defined by his guilt or his family’s expectations. He has learned to accept both the beauty and tragedy of life, emerging more compassionate and self-aware.


Olivia: The Dangers of Desperation

Olivia embodies the perils of parental desperation. Her love for Dylan is unquestionable, but it consumes her. She is willing to overlook the moral cost of the fish’s deaths and neglects Rudy’s emotional needs. Olivia’s arc is a cautionary one; she must reckon with the consequences of her actions and the harm caused by her single-minded pursuit.

Ultimately, Olivia is forced to let go—of hope, of control, and of the illusion that she can save Dylan by any means necessary. Her journey is one of painful self-realization.


Dylan: Innocence Amid Suffering

Dylan serves as the story’s emotional center. He is mostly unaware of the sacrifices made on his behalf. Dylan’s innocence amplifies the tragedy of his illness and the desperation it breeds in his family. He remains unchanged throughout the novel, a symbol of both hope and the limits of human effort.


Diana: Silent Resilience

Diana’s mutism is a manifestation of her trauma but also a form of resistance. She communicates through actions, forming deep bonds despite her silence. Diana’s friendship with Rudy and her eventual confrontation with Paul signify her growth. She moves from passivity to agency, embodying hope for healing and change.


Paul: The Cycle of Violence

Paul is a representation of unchecked power and the damage it inflicts. His abuse of Diana is a source of ongoing trauma. Paul’s eventual loss of control mirrors the breakdown of the island’s myths and the exposure of uncomfortable truths.


The Healer: False Hope

The Healer symbolizes the island’s reliance on myth and superstition. His influence over the community is based on deception, mirroring the false hope that drives many of the characters. His arc is one of exposure and loss of power.


The Fish: Moral Dilemma

The fish are more than just plot devices; they embody the moral ambiguity at the heart of the novel. Their healing powers come at a cost, forcing characters to confront the ethics of sacrifice. The fish’s suffering, felt keenly by Teeth, highlights the interconnectedness of pain and hope.


Conclusion: The Web of Pain and Healing

"Teeth" by Hannah Moskowitz is a study in trauma, love, and the search for meaning. Each character is shaped by pain, whether physical, emotional, or existential. Their arcs intersect around themes of sacrifice, empathy, and the limits of hope.

The relationships among Rudy, Teeth, Olivia, Dylan, Diana, and the rest are fraught with tension and tenderness. Through their struggles, the novel interrogates what it means to care for another, the cost of desperation, and the possibility of healing in the face of insurmountable odds.


Summary Table: Character Evolution

Character NameInitial StateMajor TransformationFinal State
TeethIsolated, self-hatingFinds connection, self-sacrificeFree, at peace (in death)
RudyGuilt-ridden, lonelyQuestions morality, accepts lossCompassionate, mature
OliviaDesperate, blindedFaces reality, lets goResigned, changed
DylanInnocent, sickRemains unchangedSymbol of hope/tragedy
DianaMute, traumatizedGains agency, confronts abuserHealing, empowered
PaulAbusive, dominantLoses powerDisgraced, powerless
The HealerRevered, deceptiveExposed as a fraudIrrelevant
The FishHunted, magicalCentral to moral conflictSymbolic of sacrifice

Through its nuanced characters and their interwoven struggles, "Teeth" offers a haunting meditation on the costs of healing and the redemptive power of empathy.