Billy works for her as her apprentice .
Hag Witch ( voiced by Susanne Blakeslee ) -- An elderly sorceress who has a massive crush on Count Wretcher .
Billy works for Wretcher as Wretcher 's apprentice .
Hag Witch ( voiced by Susanne Blakeslee ) -- An elderly sorceress who has a massive crush on Count Wretcher .