Character Relationship Map: Turtles Forever

Characters

• Splinter (voice) (played by Darren Dunstan) — supporting

  The Turtles' master. After being captured by Hun, he is rescued and joins the unified teams alongside Karai and the 1987 Shredder to directly confront and defeat Ch'rell.

• Casey Jones (voice) (played by Marc Thompson) — supporting

  Human ally who attempts to hold off Ch'rell's upgraded Technodrome forces. He is captured but later escapes dimensional erasure, reuniting with the Turtles for the final battle.

• April O'Neil (voice) (played by Veronica Taylor) — supporting

  Key human ally who defends against early attacks. Like Casey, she survives capture and attempted erasure, rejoining the Turtles to fight for the survival of their dimension.

• The Shredder (voice) (played by Scott Rayow) — supporting

  The 1987 dimension's antagonist. Initially seeks an alliance with Ch'rell to gain power, but later switches sides, joining the Turtles and Splinter to defeat Ch'rell's genocidal plan.

• Karai (voice) (played by Karen Neil) — supporting

  Ch'rell's adopted daughter who initially frees him but questions his multiversal genocide. She secretly saves the Turtles, warns Ch'rell about the consequences of destroying Turtle Prime, and fights a...

• 1988 Splinter / 1984 Shredder (voice) (played by David Wills) — minor
• 1988 Michelangelo / Rocksteady (voice) (played by Johnny Castro) — minor

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• 1988 Splinter / 1984 Shredder (voice) → The Shredder (voice) (Meta Parallel Counterpart) — The relationship reflects the film's use of alternate-dimensional counterparts.

  The plot brings together alternate versions of the Turtle-world characters, including a separate Shredder identity and an alternate Splinter identity.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• 1988 Michelangelo / Rocksteady (voice) → Karai (voice) (Conflict Opposing Faction) — They occupy opposing sides during the Technodrome takeover.

  Rocksteady is part of the enemy force operating the Technodrome, while Karai breaks into it and frees the imprisoned Shredder.

• The Shredder (voice) → 1988 Michelangelo / Rocksteady (voice) (Command Conflict) — Their association shifts from enemy-side operations to an accidental contribution to the enemy's defeat.

  The Shredder's forces include Rocksteady, while Rocksteady later participates in the chain of events that destroys the enemy Shredder.

• April O'Neil (voice) → The Shredder (voice) (Alliance Temporary Ally) — They cooperate against the larger multiversal danger.

  April joins the unified resistance that includes The Shredder after his change of allegiance.

• Casey Jones (voice) → The Shredder (voice) (Alliance Temporary Ally) — Their cooperation is limited to the common final battle.

  Casey takes part in the final resistance alongside The Shredder after The Shredder changes sides.

• Casey Jones (voice) → April O'Neil (voice) (Alliance Partners) — They directly cooperate in defending the dimension.

  Casey Jones and April O'Neil try to hold off the upgraded Technodrome forces before the Turtle teams arrive.

• Splinter (voice) → April O'Neil (voice) (Alliance Team Ally) — They support the same group during the crisis.

  April and Splinter are both part of the resistance defending the Turtles and their dimension.

• Splinter (voice) → Casey Jones (voice) (Alliance Team Ally) — They belong to the same defensive alliance.

  Casey defends the dimension before reuniting with Splinter and the Turtles for the final fight.

• Splinter (voice) → The Shredder (voice) (Combat Alliance) — Formerly opposed figures cooperate against a multiversal threat.

  Splinter and The Shredder join the unified teams against the enemy Shredder in the final battle.

• Karai (voice) → April O'Neil (voice) (Alliance Battle Ally) — They oppose the enemy Shredder's multiversal plan.

  Karai joins the unified resistance that includes April after April survives the attempted erasure of her dimension.

• Karai (voice) → Casey Jones (voice) (Alliance Battle Ally) — They share a combat alliance during the climax.

  Karai helps the Turtle teams and their allies during the final battle, where Casey is also present.

• Karai (voice) → Splinter (voice) (Alliance) — They cooperate to stop the destruction of the multiverse.

  After secretly rescuing the Turtles, Karai fights alongside Splinter during the final confrontation.

• Karai (voice) → The Shredder (voice) (Alliance) — They become temporary allies against a greater threat.

  Karai joins The Shredder, Splinter, and the Turtle teams in the final battle against the enemy Shredder.

Story Analysis

Alternate Turtle teams unite across dimensions to stop an enemy plan that threatens every Turtle universe.

Plot Progression

1. The Impossible Doubles — The Turtles investigate a broadcast showing apparent duplicates and discover an alternate team. The newcomers explain that a damaged dimensional teleporter caused their arrival.
2. The Technodrome Conspiracy — The teams locate the Technodrome and uncover a plan involving multiple versions of the Shredder. Karai intervenes after the imprisoned enemy becomes impossible to control.
3. The Multiverse Under Siege — The upgraded Technodrome creates mutant Foot Soldiers and begins hunting Turtles across dimensions. The Turtle lair collapses, and Splinter is captured during the escape.
4. The Vanishing Dimension — The enemy identifies the source dimension and starts erasing the heroes' world. Karai secretly saves the captives, forcing the survivors to flee toward Turtle Prime.
5. Battle For Turtle Prime — The alternate Turtle teams unite with Splinter, Karai, and The Shredder. Their combined attack defeats the enemy and restores the damaged dimensions.