The razor thin Reedman is the combined form of the Microcons. When looking at him from a certain angle, he almost appears invisible.
Fiction[]
Revenge of the Fallen film[]
I'm keeping an eye on you
Ravage deploys the Microcons to steal the All Spark shard in the base. The Microcons combine into Reedman, who battles the guards. He uses his razor-sharp body to actually slice through a soldier before he promptly returns to Ravage after stealing the shard. Transformers: Revenge of the Fallen
Nefarious[]
After Ravage was surrounded by human soldiers, he unleashed Reedman as a distraction. The small robot killed several soldiers before being disabled and disassembled. Tales of the Fallen #5
Later, after Ravage was freed from the Initiative's control, he spat out some microcons in an attempt to kill Carter Newell. They reached their target and formed Reedman, who attacked and wounded Newell. In retaliation, the human used the power bestowed upon him by the AllSpark to fry Reedman to a crisp. Nefarious #6
Revenge of the Fallen video game[]
In the PS2 and WII campaign, the Fallen mentions and tells Starscream to dispatch Reedman.