* AccidentalInnuendo: The episode "Monsters Are Real" has Ickis freak out because a human photographs him. What's odd is that he describes it as a human "flashing" him, which takes on rather risque implications when taken out of context.
* CargoShip: Ickis falls for a Judy doll in the episode "Blind Love, Monster Love"
* EarWorm: "Ickis and Fungus, he's not a virus"
** "We're the cutest monsters you've ever seen, we are joyful and jolly and never mean!"
* HilariousInHindsight: People who've seen this cartoon along with ''Monsters Inc.'' might get the idea that both the cartoon and the film have similar plot settings since both involve monsters who need to scare in order to collect energy for their society. Come ''Monsters University'', the setting is even more similar to the cartoon as it involves monsters going to school in order to learn how to scare. Mike and Sulley even fill out roles similar to two of the three main characters of the cartoon. A super studious and hardworking student that relies heavily on books, and another student who is generally lazy but pressured with living up to the family legacy of being the best scarers.
** Thanks to ''WesternAnimation/CowAndChicken'', this show is not the only one that has CharlieAdler voicing a red monster with mood swings.
** It's also not the first time he's voiced someone who looks like a [[TinyToons bunny rabbit]].
** A bespectacled character on a Nickelodeon show, who is determined to prove that a supernatural race is real, despite other people thinking he's crazy. [[InvaderZim Will we ever see this again?]]
*** [[WesternAnimation/TheFairlyOddparents Yes]]
** In ''"Smile and Say Oblina"'', Oblina gets hooked up with a metal device wired to her jaws with corkscrews and a timer on it. [[{{Saw}} Fast forward to 2004....]]
* UglyCute: Ickis. Actually, most of the monsters had this tendency, but in Ickis' case his appearance made it more difficult for him to be taken seriously.
** At least until [[OneWingedAngel he goes bigger...]]
** Florina in ''"The Great Race"'' is adorably {{Moe}} and this.