Character Relationship Map: Transformers One

Characters

• Orion Pax / Optimus Prime (played by Chris Hemsworth) — protagonist

  Noble Autobot leader who transforms from miner to legendary commander.

• D-16 / Megatron (played by Brian Tyree Henry) — protagonist

  Ambitious miner who becomes the ruthless Decepticon leader.

• Elita-1 (played by Scarlett Johansson) — supporting

  Fierce Autobot warrior and Orion Pax's close ally.

• B-127 (played by Keegan-Michael Key) — supporting

  Young Autobot scout before adopting the Bumblebee identity.

• Sentinel Prime (played by Jon Hamm) — supporting

  Former Autobot leader who betrays his faction.

• Starscream (played by Steve Buscemi) — supporting

  Treacherous Decepticon second-in-command.

• Airachnid (played by Vanessa Liguori) — supporting

  Decepticon spider warrior.

• Alpha Trion (played by Laurence Fishburne) — supporting

  Wise Cybertronian archivist.

• Shockwave / Guard 2 (played by Jason Konopisos-Alvarez) — supporting

  Decepticon scientist and enforcer.

• Soundwave (played by Jon Bailey) — supporting

  Decepticon communications officer.

Canonical Relationships

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

• Sentinel Prime → Airachnid (Professional Lieutenant) — Airachnid directly carries out Sentinel's enforcement operations.

  Airachnid is identified as Sentinel's lieutenant and captures Alpha Trion on his behalf.

• D-16 / Megatron → Shockwave / Guard 2 (Power Future Faction Leader) — Shockwave becomes part of D-16's reorganized resistance.

  Shockwave supports the High Guard rebellion, which D-16 later reforms into the Decepticons.

• D-16 / Megatron → Soundwave (Power Future Faction Leader) — Soundwave becomes associated with D-16's new faction after the split.

  Soundwave joins the High Guard rebellion, which D-16 later reforms into the Decepticons.

Story Dynamics

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

• Soundwave → Shockwave / Guard 2 (Alliance Rebel Comrade) — They share membership in the anti-Sentinel resistance.

  Soundwave and Shockwave are both rallied among the remaining High Guard before the assault on Iacon.

• Sentinel Prime → Alpha Trion (Conflict Murderous Enemy) — Sentinel silences the witness who can reveal his treason.

  Sentinel's forces capture Alpha Trion, and Sentinel executes him after bringing him back to Iacon.

• B-127 → Alpha Trion (Alliance Expedition Companion) — Alpha Trion's discovery places B-127 inside the rebellion's founding mission.

  B-127 travels with Orion and D-16 to Alpha Trion's coordinates and witnesses his revelation.

• Elita-1 → B-127 (Alliance Rebel Teammate) — They cooperate during the decisive public exposure of Sentinel's crimes.

  Elita, B-127, and Orion capture Airachnid and broadcast her memory recordings across Iacon.

• Elita-1 → Sentinel Prime (Conflict Political Opponent) — Sentinel's system directly harms Elita and motivates her opposition.

  Elita is blamed and demoted under Sentinel's mining regime, then joins the effort to expose and overthrow him.

• D-16 / Megatron → Airachnid (Conflict Enemy) — They stand on opposing sides of the rebellion.

  Airachnid serves Sentinel's forces, while D-16 joins the rebellion against Sentinel and later fights in the uprising.

• D-16 / Megatron → Starscream (Conflict Rival Leader) — Their confrontation establishes D-16's authority over the rebellion.

  D-16 takes command of the High Guard by defeating its leader, Starscream.

• D-16 / Megatron → Sentinel Prime (Conflict Enemy) — Sentinel's betrayal turns D-16 into his most vengeful opponent.

  D-16 learns that Sentinel stole the cog of his idol and later defeats and kills Sentinel.

• D-16 / Megatron → Alpha Trion (Narrative Recipient Of Truth) — Alpha Trion's revelation redirects D-16's identity and ambitions.

  Alpha Trion reveals the truth about Sentinel and gives D-16 a transformation cog.

• D-16 / Megatron → B-127 (Alliance Teammate) — Their alliance exists within Orion's original expedition and rebellion.

  D-16 and B-127 travel with Orion to the surface and fight together against Sentinel's forces.

• Orion Pax / Optimus Prime → Shockwave / Guard 2 (Alliance Rebel Ally) — Shockwave supports Orion's rescue operation and rebellion.

  Orion rallies Shockwave with the remaining High Guard before attacking Sentinel's headquarters.

• Orion Pax / Optimus Prime → Soundwave (Alliance Rebel Ally) — Soundwave joins Orion's anti-Sentinel campaign.

  Encouraged by Elita, Orion rallies Soundwave and returns to Iacon to rescue the captured rebels.

Story Analysis

A friendship forged in the mines becomes a defining ideological war between two leaders who shape Cybertron's future.

Plot Progression

1. Miners Beneath Iacon — Orion and D-16 live as cogless miners in a rigid Cybertronian hierarchy. Their unauthorized actions and Elita's punishment establish their dissatisfaction with the system.
2. Race Toward the Surface — A forbidden race brings Orion and D-16 into conflict with authority and leads them to B-127. A hidden distress message sends the group toward the surface.
3. Truth Among Fallen Primes — Alpha Trion reveals Sentinel's treason and explains the origin of Cybertron's hierarchy. The heroes receive transformation cogs, but Airachnid captures Trion and Sentinel executes him.
4. Rebellion Fractures — The High Guard captures the expedition group, and D-16 seizes command by defeating Starscream. Sentinel's forces destroy the evidence and capture the rebels, while D-16 learns of the stolen cog.
5. Birth of Opposing Leaders — Orion rallies miners and rebels to free the captives and expose Sentinel's memories. Orion dies at D-16's hands, then returns as Optimus Prime to defeat Megatron and establish two opposing factions.