Robur Heterodyne is an ancestor of Agatha's, whom Castle Heterodyne describes as "refreshingly simple". (The Castle is the [ source] [[Chronology - Volume #|✣ ]] of the following information, along with a [ book of notes] [[Chronology - Volume #|✣ ]] found in the Hermitorium of Van Rijn in the Immortal Library under Paris.) Robur claimed his place in the family history with his experiments which investigated the nature of and/or meddled with the very fabric of Time. These probings inadvertently attracted the personal attention of (a trio of?) certain hideous extra-dimensional terrors a.k.a the Dreen. Considering what these entities are [ capable] [[Chronology - Volume #|✣ ]] of, it is understandable that Robur concluded that they were "angels" sent to punish him for some sinful transgressi