When Agatha arrives in Mechanicsburg, Professor Hristo Tiktoffen is the man [ in charge] [[Chronology - Volume #|✣ ]] of the Sparky prisoners sentenced by the Wulfenbach empire to Castle Heterodyne repair duty. As such, his official [ responsibilities] [[Chronology - Volume #|✣ ]] include leading and recording said repair efforts, and also keeping track of how many points the prisoners have (and thus how close they are to completing their sentences). He lives with the prisoners inside the Castle, and is presented as being a prisoner himself.