Originally, D-16 was a low-caste mining robot in the subterranean city of Iacon on Cybertron. Like millions of other miners, he was built without a transformation cog (T-Cog), meaning he was physically incapable of changing form and was doomed to a lifeti


focused, stoic, meticulous, quietly stern
Speaks in measured phrases, with terse tool-terms and long pauses between thoughts.