Flatline (G1)
| The name or term "Flatline" refers to more than one character or idea. For a list of other meanings, see Flatline (disambiguation). |
- Flatline is a former Decepticon from the 2005 IDW portion of the Generation 1 continuity family

Flatline is a Decepticon medic turned neutral who is adept at building new bodies for folks.
Fiction
2005 IDW continuity
Flatline was among those who remained in Iacon after Starscream took command of the neutral population and banished both Autobots and Decepticons. When Fixit refused to leave injured Autobots behind, Starscream argued that they didn't need him since they had Flatline and Quickmix, who were both medics. Second Exodus Starscream then tasked Flatline with building him a new body, though he got annoyed when the medic started going on about why the Aerialbots were so popular. Three Monologues

Flatline got his work cut out for him after a "death wave" emitted from the Necrotitan killed and injured many of Iacon's citizens. Whilst diagnosing Starscream's injury, he let out a flippant remark about leadership that caused the stressed-out jet to snap and start yelling at him, but Flatline was too busy watching the Necrotitan stomp into the city to listen. No Exit When the Autobots returned to lend a hand, an angry Flatline confronted Fixit, outraged that he was keeping their wounded in a trailer and accusing him of failing to repair the Aerialbots or Omega Supreme before he left. Burning Bright He then got back to gathering the injured and evacuating the city. Finis Temporis

In the calm that followed the Necrotitan's defeat, Flatline helped Ratchet bring a bisected Megatron in for repairs and build a new body for Arcee. The Becoming He reactivated Wheeljack after he'd spent months recovering in a CR chamber, and was among the 'bots repairing Superion when Starscream brought Wheeljack to the facility. The World of Tomorrow
Sent by Starscream to examine the fresh hot spot in Alyon, Flatline reported having found hints of someone having visited recently—that someone being Bludgeon, who soon returned and cut down Flatline as well as all the Badgeless posted there. He survived and was later involved with an experiment involving inserting one of Bludgeon's corrupted sparks into the remains of Slug. Salvation
Following Baron Ironblood's attack on Iacon, Flatline was of the opinion that humans—due to their brief lifespans—were intrinsically violent creatures, and was displeased that such a species would be joining the Council of Worlds. Primeless, Part 1
2019 IDW continuity
Flatline tended to Sideswipe at Security headquarters after a disastrous raid on a Rise facility. He was less than enthused about Sideswipe focusing on having been insulted by Shadow Striker. The Cracks Beneath Your Feet Part Four
Later on, Flatline appeared at the Rise hideout tending to Shockwave's injuries. Instead of being a secret member of the terrorist cell, Flatline indicated he was ethically bound to provide aid to all Cybertronians, regardless of character, in the local version of the Hippocratic oath. Rise of the Decepticons: All Fall Down
Notes
- Artist Andrew Griffith designed Flatline as a retool of the Thriling 30 Trailcutter toy, but he did so on his own initiative and thus there are no known plans for an actual Flatline toy from Hasbro.



