Reedman

Reedman is a fictional character from Transformers live action film continuity.

Transformers: Revenge of the Fallen
Reedman is a little mantis-like robot combined from hundreds of Microcons working as a minion of Ravage. He is very thin robot having only one eye.

Movie plot
Microcons, little Decepticons who transform to marble combine to form Reedman, who then starts to cut the glass around the Allspark shard stored by NEST. He manages to escape with the shard and is never seen again in the film.

IDW Publishing comics
Reedman is seen again with Ravage (who's been revived by Soundwave) helping him to steal remains of the Appliancebots. He managed to kill many soldiers before he was disabled and disassembled.