Tropes
- Body Horror: The Lub-Glubs are blackish creatures with long, skinny arms and teeth, but no visible mouth opening.
- The Burlesque of Venus: Jake cracks a joke about being a "crazy clamshell" on Susan's "crazy cruise", and turns his head into a clam-shell with a beautiful woman inside.
- Cowardly Lion: Susan notes herself to be this, especially when she fights the Lub-Glubs.Susan: Susan scared! But Susan brave too...
- Cuckoo Finger Twirl: Jake makes this gesture when trying to convince Finn that Susan is nuts and they shouldn't trust her.
- Darker and Edgier: The tone is rather more ominous than other episodes, especially the confrontation with the Lub-Glubs.
- Grievous Harm with a Body: At one point, Susan uses Finn as a club to hit a Lub-Glub.
- Killer Rabbit: The Lub-Glubs, hideous slime monsters disguised as innocent pool toys.
- Lame Pun Reaction: Finn asks Jake to make some hazelnut coffee, then randomly wonders what would happen if Jake changed his name to "Zulnut"
- The Load: Parodied; Jake says he's only coming along "to be distruptive and obnoxious".
- Multi-Armed and Dangerous: The Lub-Glubs have multiple arms and are extremely hostile.
- Not So Harmless: The Lub-Glubs turn out to be far more menacing than their float disguise lets on.
- Oh, Crap!: Jake is horrified to see that Susan was right to worry about the Lub-Glubs, and he just pissed them off.Jake: Ooooh, Jakey beefed it!
- Our Monsters Are Weird: The "Lub-Glubs" are black, lumpy, tentacled monsters that can disguise themselves as pool floats. The lead one is even more monstrous than rest, with multiple limbs and mouths.
- Power of Trust: Jake slowly learns to trust Susan over the course of the episode.
- Properly Paranoid: Jake in two ways; one, he thinks Susan's a fish person because she hasn't removed her hat and two, she and her people once attacked Candy Kingdom. It's understandable why it's hard for him to trust her at first.
- Sequel Episode: To "Susan Strong".
- Shout-Out:
- Susan's description of fire as "red flower" is a reference to The Jungle Book.
- Susan's "I'll be back" is said in the same tone as the T-800's in The Terminator.
- Smashing Hallway Traps of Doom: The Clashing Gates that guard Beautopia.
- Too Many Mouths: The lead Lub-Glub has multiple mouths.
- The Unreveal: Finn appears to know whether Susan is human or not, but not the audience.
- Weakened by the Light: The Lub-Glubs are destroyed by the light from the burning beacon at the center of Beautopia.
- Wrestler in All of Us: Finn suplexes a Lub-Glub.
