Brad

Brad is an imagineer that was in charge of creating the DHIs.

Kingdom Keepers I: Disney after Dark
He was in charge of the DHI shoot and filmed and recorded the Kingdom Keepers doing various different things. Later, when Finn was trying to get information about the other Keepers, Brad refused to give any information but he seemed worried that Finn knew about Wayne, the Overtakers and that there was a problem with the DHI software. The next day, Finn was given a note with the other four DHIs Middle School names on it. It is presumedly from Brad