NPCs in Armada drew heavily from G1 designs, but either nobody noticed after the first episode or we just never heard about it. Anyway, everyone without a name who appeared in the background. All of them. ( Okay, not including Minicons. This is all Bulks. )
If you readers can identify anyone we missed or got wrong, write in and tell us so we can update the list. If you send or link to reference pictures, so much the better - we do look up all suggestions for verification purposes and sometimes we just can't see it. Everyone who's helped out already, thank you. You rock.
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Episode: Base
Pic #1: 1) Hound. 2) Slapdash miscoloured. 3) Braver miscoloured. They all seem to have Decepticon sigils, though the story says they're Autobots.
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Episode: Base
Pic #2: 1) Tackle. 2) Red Alert. 3) Powerglide in purple.
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Episode: Base
Pic #3: 1) Crosshairs. 2) Beachcomber. 3) Almost Skyfire. 4) Wing. 5) We've heard both Powerglide and Chromedome.
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Episode: Base
Pic #4: 1) Strafe.
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Episode: Base
Pic #5: 1) At the moment, Streetwise has the most votes. 2) Wideload. 3) Landmine. 4) Sixknight.
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Episode: Prehistory
Pic #6: 1) He makes us think of Needlenose, but he's Skywarp-coloured. 2) Some random Seeker. 3) Slugslinger. 4) Another random Seeker. 5) Misfire in red. 6) Looks like Braver. Or Laster. 7) Another miscoloured Slapdash. 8) Chromedome.
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Episode: Prehistory
Pic #7: 1) That might just be Armada Skywarp up there. 2) Unknown. 3) Unknown.
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Episode: Prehistory
Pic #8: 1) Sizzle. 2) Unknown. 3) Possibly the guy from picture #6. 4) Hound, again.
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Episode: Prehistory
Pic #9: 1) Braver, again. 2) might be the Wheelie fellow who appears later in Past I & II.
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Episode: Prehistory
Pic #10: 1) Unknown. 2) Another guy who wishes he were Starscream.
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Episode: Prehistory
Pic #11: 1) We think he looks kind of like the Needlenose guy, or maybe Armada Skywarp missing his fin. 2) Slapdash, almost coloured correctly.
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Episode: Prehistory
Pic #12: Blink and you'll miss it! The ship probably isn't anyone, and we don't recognise the guys driving it.
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Episode: Past I
Pic #13: Hot Shot's old unit apparently contained, 1) Wheelie, and 2) Sureshot miscoloured.
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Episode: Past I
Pic #14: Hot Shot's old commanding officer was, 1) Grand Maximus.
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Episode: Past II
Pic #15: The return of 1) Wheelie and 2) Sureshot miscoloured.
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Episode: Uprising
Pic #16: 1) Another Sureshot, in closer colours than usual.
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Episode: Uprising
Pic #17: We can't remember how close in sequence these two shots were, but they were next to each other in the folder and 1) looks like the same guy in both shots - Sureshot miscoloured. 2) possibly Shockwave and 3) is another Wheelie.
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Episode: Uprising
Pic #18: Nameless Seekers, ahoy! 1) makes us think of Treadshot from Energon, 2) will probably be named 'Sunstorm' because he's yellow, and 3) looks unnervingly like Snowcat if he were a jet.
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Episode: Uprising
Pic #19: 1) Red Hot. Then he was hit so hard he changed colour. 2) Fixit. 3) Seawatch coloured like Venom.
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Episode: Uprising
Pic #20: 1) Stakeout. 2) Wing miscoloured.
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Episode: Uprising
Pic #21: 1) Unknown. 2) Unknown. 3) Scorponok? Ultra Magnus painted like Scorponok!
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Episode: Uprising
Pic #22: 1) Unknown.
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Episode: Uprising
Pic #23: Yeah, there's no way to tell with any of these guys, but we put it in for the sake of completeness. We declare 1) to be Skids and 2) to be Slog, because Wayward thinks Slog should be everywhere.
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Episode: Dash
Pic #24: 1) Killbison miscoloured. 3) Possibly Cromedome miscoloured.
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Episode: Dash
Pic #25: Assorted blokes working on the Hydra Cannon Mark II. 1) is tiny, evil Optimus Prime.
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Episode: Dash
Pic #26: 1) Killbison. 2) Jaruga. 3) Drillhorn.
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Episode: Dash
Pic #27: In which commander 1) Christmas Weirdwolf orders 2) Mindwipe-coloured Misfire around. Not talked backwards did Weirdwolf, no.
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Episode: Dash
Pic #28: Two more Decepticon guards. Possibly 1) is a runaway Zord. Or someone with Killbison's head. 2) Jaruga.
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Episode: Dash
Pic #29: And more Decepticon guards. 1) Drillhorn. 2) Jaruga. 3) Killbison, but we still think he looks like a cat.
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Episode: Dash
Pic #30: Here begins our salute to the brave Decepticon guards of B-Block, who were all taken out or dodged by Hot Shot. You pansies. 1) is an almost correctly-coloured Jaruga. 2) seems to be Killbison again. 3) is a rare example of an NPC in vehicle-mode. Again, Killbison. 4) is Drillhorn miscoloured.
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Episode: Dash
Pic #31: B-Block - here we have a tank guy, assisted by his twin brother.
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Episode: Dash
Pic #32: B-Block - this is the best we could do, sorry. The faster the scroll-by, the harder it is to get a clean capture. Despite this, it seems to be Killbison again.
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Episode: Dash
Pic #33: B-Block - in which Hot Shot skids by three levels really fast. 1) The return of Killbison. 2) Jaruga. 3) and 6) are the Drillhorn twins. 4) Prime-coloured Breakdown. 5) Another Jaruga.
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Episode: Dash
Pic #34: B-Block - lotta tanks around. 1) seems to be Brawl. And 2)? That's Soundwave. Hahaha! Thus concludes our tour of the B-Block of the Decepticon stronghold.
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Episode: Dash
Pic #35: 1) Quickmix.
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Episode: Dash
Pic #36: More Autobots. 2) is miscoloured Misfire missing a pointy bit.
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Episode: Drift
Pic #37: Autobots. The connection between the shots is that 1) ran across the screen in a far-shot of the second picture. Also, 1) and 2) have the same animation model - Landmine.
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Episode: Drift
Pic #38: We didn't need two shots of this guy, but Wayward liked him, so he got special treatment. He's looking up at Megatron here, and even if Megatron is standing on his dais, this guy can't be more than half his size. Wayward's nicknamed him 'the Minicon General'.
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Episode: Drift
Pic #39: See 1)? Not a chick. That's Metalhawk in pink without his wings. 2) Cloudburst.
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Episode: Portent
Pic #40: 1) Yellow Soundwave? 2) Brawl miscoloured. 3) Blue Breakdown.
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Episode: Portent
Pic #41: Two shots of the same group. 1) Dash, in surprisingly accurate colours. 2) Wing, again. 4) Seawatch. 5) Red Hot. 6) Fixit. 7) Stakeout.
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Episode: Portent
Pic #42: A whole bunch of Autobots. 1) Fixit. 2) Red Hot. 3) Stakeout. 4) Seawatch. 6) Quickmix. 7) Landfill. 8) Scoop.
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Episode: Portent
Pic #43: Kneel before the almighty Blurr! 1) Fixit. 2) Red Hot. 3) Stakeout. 4) Seawatch. The Rescue Patrol gets around. 6) Quickmix. 8) Landfill. 9) Scoop. Targetmasters also get around.
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Episode: Portent
Pic #44: In which Perceptor has been eaten by Unicron.
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Episode: Portent
Pic #45: In which Jazz has also been eaten by Unicron.
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Episode: Portent
Pic #46: 1) Stakeout. 2) Blue Brawl. 3) Seawatch. 4) Orange Breakdown. 5) Fixit. 6) Tacker. 7) Waver.
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Episode: Cramp
Pic #47: Gaihawk in beige - we haven't got an overhead shot of either's jet-mode to verify. His twin dove through half a second later, but we couldn't catch them both.
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Episode: Alliance
Pic #48: Oh, Primus, Alliance. More NPCs than you ever wanted to catalogue. 1) Blast Off painted in Cyclonus' colours. 2) Purple Wildrider. 3) Blue Deadend. 4) Blue Swindle.
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Episode: Alliance
Pic #49: 1) Blue Bombshell. 2) Breakdown coloured like Blast Off. 3) Yellow, girly Bonecrusher. 4) Blue Dragstrip. 5) Probably Long Haul. 6) Gray Scavenger. 7) The ugliest Scrapper ever.
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Episode: Alliance
Pic #50: 1) Another ugly Scrapper. 2) Swindle. 4) White Bonecrusher.
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Episode: Alliance
Pic #51: A whole bunch of guys, most too small to see. 2) has stolen Jazz's helmet.
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Episode: Alliance
Pic #52: ... Y'know, we're not even going to bother with this one. The guy behind Optimus is Long Haul, and we really, really should have realised that.
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Episode: Alliance
Pic #53: A yellow guy.
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Episode: Alliance
Pic #54: 3) Cerebros. 4) Vortex. 5) Deadend. 6) Dragstrip.
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Episode: Alliance
Pic #55: 1) A nice, unambiguous Astrotrain.
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Episode: Alliance
Pic #56: Yeah, yeah, we've also got this one in the Tidal Wave gallery. 1) Stakeout. 2) Red Hot.
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Episode: Alliance
Pic #57: Cyclonus' incredible changing strike-force! 2) is Blue Scavenger.
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Episode: Alliance
Pic #58: Remember these faces. There will be a test later.
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Episode: Alliance
Pic #59: 1) Gray Bonecrusher and 2) Blue Breakdown are excited. We are not bothering with the boots in the foreground. Though now that we look at it, the one with the yellow patch looks like Bombshell's.
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Episode: Alliance
Pic #60: Suddenly Cyclonus is leading oddly-coloured Combaticons - 1) Swindle, 3) Vortex, and 4) Onslaught.
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Episode: Alliance
Pic #61: In a fit of continuity, the guys from #58. In the exact same poses. Hee hee.
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Episode: Alliance
Pic #62: 1) Miscoloured Dreadwind. 2) The return of Purple Bonecrusher. 3) Some guy coloured like Wildrider, but we don't think he is.
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Episode: Alliance
Pic #63: 1) Purple Bonecrusher and 2) miscoloured Dreadwind again, with 3) yellow Astrotrain and 4) miscoloured Blitzwing missing his cannon. Also, we think laser pods look like hairdryers. ( Okay, they're the Minicon Dead End, but he looks like a hair dryer, then. )
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Episode: Alliance
Pic #64: Still missing his cannon, it's 1) Holiday Blitzwing! And 2) Bonecrusher has repainted himself in Constructicon colours. And in two seconds, they both die.
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Episode: Alliance
Pic #65: 1) Dreadwing changes his paintjob again, but it doesn't save him. 2) Mixmaster repaints himself and loses his mixing drum.
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Episode: Union
Pic #66: 1) Looks like the return of Dreadwind from #62. 2) Tacker.
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Episode: Union
Pic #67: 1) Dash.
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Episode: Union
Pic #68: I was going to say that 2) is 1) from #67, except his hands were blue. Oh, well.
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Episode: Union
Pic #69: 1) Waver.
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Episode: Union
Pic #70: Sideswipe has some passengers. 3) is reminiciant of Arcana.
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Episode: Origin
Pic #71: Yeah, we're not even going to bother here.
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
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Episode: Origin
Pic #72: Assorted people looking at Unicron. 1) Pointblank. 4) Possibly Crosshairs.
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
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Episode: Mortal Combat
Pic #73: ... Waitaminute. That's the exact same background as #66! Only 1) is a new face - the Armada version of Rhinox.
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So ends our journey into the world of NPCs in Armada. Thank you and good night.