* With his UncannyValleyMakeup, the actors' sometimes desperate enthusiasm, and some occasional SpecialEffectsFailure, Flabber himself can be quite off-putting.
* The Hillhurst monsters have more than a few times expressed the desire to feast upon the children, and half of those times they have tried to act upon that desire. It's also questionable whether those kids are their first targets.
** In a severe example of why one should BewareTheNiceOnes, it's actually ''Flabber'' -- the friendliest entity in Hillhurst -- that intentionally sics the monsters on his enemy Les Fortune, seemingly uncaring about whether they will just scare him off or actually ''eat him''.
* A particular scene from one episode where there's someone playing the organ, someone sneaks up to take a closer look and touches the mysterious figure on the shoulder, when we get a look at the figure playing the organ we see that it's the phantom who turns around and cackles maniacally like Jack Nicholson's Joker.
* Shadowborg is this. Not only is he powerful, his only wit or humor more or less deadpan mocking of the heroes as he makes it clear he's got them dead to rights and is just playing with them at that point. He's also the first villain who's attack on the town is played ''dead seriously'' and is actively ''aiming at people''. [[VileVillainSaccharineShow Especially in contrast with the rest of the first season.]]
* While partially PlayedForLaughs, the reveal that Mums was ''mummified alive'' by a jealous priest is kind of horrifying.
* There's just something ''genuinely'' intimidating about Nukus. Especially compared to the Magnavores. Particularly the fact he flat out tries to ''kill'' Flabber.
* Les Fortunes may be the series' ButtMonkey, but one must remember he's been in [[AmbiguousCriminalHistory jail for ten years]] for some unrevealed reason. What Les could've done to end up with what seemed to be a ''life sentence'' must've been serious.
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