Transformers Toy Guide: Repurposed Toys (Canon)

Exclusions: "same" characters (ie. ROTF Bludgeon as G1 Bludgeon). Will list such instances for Shattered Glass, however.

Note: Some of these aren't officially canon, but come from people who have officially worked on TFs whether through Hasbro, IDW, Fun Pub, etc.

PRE-TRANSFORMERS
Diaclone (1980)

Cars

Triplechangers

Helicopter Type (blue)

    Rotorbolt (The Truth We Make, 2016)

    Skyklik (Last Sunset, 2016)

Helicopter Type (grey)

    Fumes (Ask Vector Prime)

Micro Change

MC-06 Watch Robo (black)
    Meantime (Ask Vector Prime)
MC-06 Watch Robo (blue)
    Ephemeris (Ask Vector Prime)
MC-06 Watch Robo (gold)
    Azimuth (Ask Vector Prime)
MC-06 Watch Robo (silver)
    Vector Prime (Ask Vector Prime)

MC-11 Gun Robo S&W Magnum 44

    Kiloton (Ask Vector Prime)

MC-19 Binocular Robo
    Pulse (Ask Vector Prime)
MC-22 Beam Robo
    Hardcase (Ask Vector Prime)

GENERATION ONE
The Transformers (1984)

Mini-Vehicles
Cliffjumper (keychain, black)
    "Dealbreaker" / Tap-Out in disguise (A Team Effort, 2010)
Beachcomber (Prototype)
   BuggyMan
Seaspray (Prototype)
   Man-O-War
Hubcap (Prototype)
   Rest-Q (Wings Universe)
Tailgate (Prototype)
   Slicks [unused concept from Jim Sorenson]
Estrela
Camaro (blue/yellow)
   SG Tailgate [inspiration]
Camaro (purple/lavender)
   SG Windcharger
Pick-Up
   SG Swerve [inspiration]
Pick-Up (wine/maroon)
   SG Gears
IGA
Outback
   SG Fallback
Pipes ("blue Huffer")
   SG Pipes
Lynsa
Brawn (cream/olive)
   SG Outback
Pretenders
Vroom

   Fireball (Punishment, 2014)

Rescue Force

Rescue Force Jet

    Mayday (BotCon pitch)

Generation 2 (1993)

Optimus Prime (Laser)

    Optimus Primal (Beast Wars Returns)

BEAST ERA
Beast Wars (1996)

Super
Optimal Optimus
   Optimal (Derailment, 2016)
Mega
Sandstorm
   SG Scorponok (Beast Wars Shattered Glass, 2014)
Scavenger
   SG Scavenger
Deluxe
Cheetor (Transmetal, Fox Kids)
   Cataclysm (Derailment, 2016)
Rattrap (Transmetal, Walmart)
   Packrat (The Wreckers, 2001)
Rattrap (Transmetal, Metals Special Version)
   Labrat (Not All Megatrons, 2016)
Tarantulas (Transmetal, Fox Kids)
   SG Tarantulas (Beast Wars Shattered Glass, 2014)

Basic

Claw Jaw ("Transmetal")
   Vehicon Ikard (Safe Spaces, 2016)
Lazorbeak
   SG Terrorsaur (Beast Wars Shattered Glass, 2014)

Beast Wars II (1998)

Seacons

Coelagon

    Skalor (Beast Wars Shattered Glass)
Halfshell

    Snaptrap (Beast Wars Shattered Glass)
Sea Phantom

    Overbite (Beast Wars Shattered Glass)
Terrormander

    Seawing (Beast Wars Shattered Glass)

Beast Wars Neo (1999)

Basic

Break

    Rockhopper (Hoist the Flag)

Beast Machines (2000)

Ultra

T-Wrecks

    Red Megatron (Generations Selects)

Deluxe

Jetstorm

    SG Jetstorm (Transhuman)

RID

Robots in Disguise (2001)

Bludgeon

    SG Bludgeon (Dungeons & Dinobots)

    Yellow Megatron (Generations Selects)

UNICRON TRILOGY
Armada (2002)

Ultra

Jetfire (Powerlinx)
   Spacewarp clone (Ask Vector Prime, 2015)

Mega

Predacon
   Preditron (Safe Spaces, 2016)

Deluxe

Demolishor (Powerlinx)
   SG Demolishor (Do Over, 2009)
Thrust (Powerlinx, blue)

   Dirge (Ask Vector Prime, 2015)

Mini-Con

Firebot (X-Dimension)
   SG Pinpointer (Do Over, 2009)
Inferno (Powerlinx)

   Grapple (Ask Vector Prime, 2015)
Makeshift (X-Dimension)

   SG Holepunch (Do Over, 2009)
Prowl (X-Dimension)

   SG Nightstick (Do Over, 2009)

Energon (2004)

Mega
Jetfire
   Lunabot (More than Meets the Eye, 2014)
Mini-Con

Rollbar
   Hound (Ask Vector Prime, 2015)

Cybertron (2005)

Deluxe

Override GTS
   SG Elita-One (Blitzwing Bop, 2009)

Scout

Ransack GTS
   SG Groove (Transhuman, 2011)

MOVIES
Transformers (2007)

Deluxe

Big Daddy

   SG Big Daddy (Eye in the Sky, 2009)

Grindcore

   SG Scoop (Do Over, 2009)

Optimus Prime (Protoform)

   Prima (Tales of the Fallen, 2009)

Scout

Crosshairs

   SG Fastback (Coalescence, 2016)

Elita-One

   SG Arcee (Dungeons & Dinobots, 2008)

Hardtop

   SG Beachcomber (Eye in the Sky, 2009)

Signal Flare

   SG Gutcruncher (Dungeons & Dinobots, 2008)

Skyblast

   SG Star Saber (Blitzwing Bop, 2009)

Storm Surge

   SG Seaspray (Eye in the Sky, 2009)

Strongarm

   SG Brawn (Eye in the Sky, 2009)

Warpath

   SG Crosshairs (Do Over, 2009)

Revenge of the Fallen (2009)

Deluxe

Bludgeon
   Wreckage (Alliance, 2008)

Age of Extinction (2014)

Scout

Strafe

    Garboyl (Recordicons, 2014)

Movie Advanced Series (2014)

Micron

Astrotrain

    SG Cybaxx (Coalescence)

The Last Knight (2017)

Cybertron

    Neo Primus (Generations Selects)

ANIMATED
ALIGNED

Go! (2013)

Voyager

Budora
    Thunderlane (Tornado - Decepticon Saboteur)

Deluxe

Hunter Ratchet

    Final Megatron (Generations Selects comic)

Robots in Disguise (2015)

Warrior

Stormshot

    SG Darkwing (Coalescence)

Legends

Windblade

    Nijika (Legends)

PAN-GENERATIONAL
Collector's Edition (2001)

Howlback

    SG Glit (Recordicons)

Magnificus

    SG Perceptor (Shattered Glass)

Alternators / Binaltech (2003)

Meister (Velocity Red Mica Edition)

    Zoom-Zoom

Universe (2003)

Super

Optimus Prime

   Yellow Splendid Convoy (Generations Selects comic)

Ultra

Optimus Primal
   SG Optimus Primal (Twitter)
Razorclaw
   Vok Galaman (Legends comic)
Deluxe
Side Burn
   SG Side Burn (Dungeons & Dinobots)
Mini-Con
Grindor
   SG Grindor (Coalescence)
Gunbarrel
   Thunderstick (Force of Habit)
High Wire
   SG High Wire (Coalescence)
Makeshift
   Skysickle (Force of Habit)
Sureshock
   SG Sureshock (Coalescence)

Robotmasters (2004)

Gigant Bomb

    SG Darkwind (Around Cybertron)

Reverse Convoy / Rebirth Megatron

    Brightes (Generations Selects)

    Blue Megatron (Generations Selects)

Smokesniper

    SG Dreadwind (Around Cybertron)

Timelines (2005)

Ultra
Astrotrain
   SG Astrotrain
Voyager
Deluxe
Bluestreak
   SG Bluestreak (Coalescence)
Burn Out
   SG Skids (Coalescence)
Leozack
   Lyzack (Battle Lines)
Lift-Ticket
   SG Hoist (Coalescence)
Slice
   SG Wheeljack (Generation 2: Redux)
Sweep
   SG Scourge (Twitter)
Tracks (SG)
   Road Rage (eHobby)
Waruders

Mudfighter
   SG Waspinator (Twitter)
   Buzz Saw (unused bio)
Paralyzer

   Bug Bite II (Twitter)
Parasite

   Skywasp (Twitter)
Storm Rider

   King Waruder (Twitter)

Scout
Legends
Nightracer
   SG Tailgate (Coalescence)
Mini-Con
Astro-Hook
   SG Stonecruncher (Shattered Expectations)
   Starhook (Derailment)
Astro-Line
   SG Tailwind
Astro-Sinker
   SG Submarauder
Starcatcher
   SG Fasttrack

Waruders

Buzzer
   B-Navi 

Crusher

Ripper
   NAVI-Q (Twitter)

Thrasher
   Daros (Twitter)
   Buggy (???)

Classics (2006)

Mini-Con

Nightscream

    SG Predaking (Another Light)

Henkei! Henkei! (2008)

Voyager

Dark Skyfire

    Zardak (A Team Effort)

    SG Jetfire (Invasion)

Universe (2008)

Deluxe

Dinobot

    SG Dinobot (Beast Wars Shattered Glass)

Transformers (2010)

Scout

Hubcap

    SG Hubcap (Coalescence)

Platinum Edition (2013)

Astrotrain

    Star Dasher (Safe Spaces)

Blitzwing

    Fever Dream (Derailment)

Legends (2014)

Deluxe

Starscream (Super Mode)

    Thundercracker (Armada Volume 5)

Titans Return (2016)

Voyager
Alpha Trion

    SG Alpha Trion (Coalescence)
Deluxe
Windblade

    Nijika (Legends)
Titan Master
Brawn

    Muscles (Beast Wars: Uprising)
Fracas

    Krunix (Beast Wars: Uprising)
Overboard

    SG Squeezeplay (Coalescence)
Sawback

    Tigerburn (Legends)

----

Micromaster (2002)

   Sixwing -- SG Superion (Another Light)