Cloning is a process of creating the exact or nearly duplicates of a Transformer. After the clones are created, they are given T-cogs to transform into their original's or different alt modes. If the process is not properly conducted then the original may feel the pain of the clones.
The Harbinger contained a laboratory with five Protoforms and all the information needed to achieve the cloning process. Starscream managed to find it and utilized its contents to create five Starscream clones.
- It is possible that Cybertronian clones possess a portion of the original's consciousness.