Elmort / Kazoo / Harps / Lummy / Bloot / Dr. VaQuirkian / Clovis / Judge (18 episodes, 2019-2021)
Dewey / The Master (8 episodes, 2020-2021)
Carl / Gladas / Gatekeeper (4 episodes, 2019)
Kevin the Demon (3 episodes, 2019)
Pepper the Ghost (3 episodes, 2020)
The Groundskeeper / Grounds Keeper (3 episodes, 2020)
Murderworm (3 episodes, 2021)
Otis (2 episodes, 2019)
Skullz (2 episodes, 2021)
Hector (1 episode, 2019)
Colin (1 episode, 2021)
The Warden (1 episode, 2021)