The monsters haunting the Hillhurst mansion occasionally try to eat humans, but this is done for comedy.
The Magnavores are less scary than Power Rangers villains. At the very most Vexor shoots out lightning and Shadowborg outmatches the Beetleborgs.
Younger viewers may find Nukus scary since he shoots fire out of his eyes and brings drawings to life with fire, leaving holes in the paper. He is also much more menacing than the Magnavores.
Little Ghoul sometimes screams when angry.