* When asked why she almost-knew Rowan's name before he introduced himself, Yuuka answered, [[WesternAnimation/AdventureTime "I have approximate knowledge of many things."]]
* Kainashi makes a lot of these.
** [[WebAnimation/RatboyGenius "There are many things that need to be erased."]]
** "Here we are, at the genocidal maniac base, everyone-kun." (a reference to the VisualNovel/SuperDanganRonpa2 fanfic "Here I Am, At Sea World")
* In the post that Julianna makes her first appearance in, Chester begins to quote [[WesternAnimation/TheBatman something his father said once to The Joker]].
* The first person to interact with Morganite was Princess Candy. Their headcanon voices are Creator/TaraStrong and Creator/AndreaLibman, respectively. [[CastingGag In other words]], [[WesternAnimation/MyLittlePonyFriendshipIsMagic the first person to befriend Twilight Sparkle was Pinkie Pie]].
** The best part of this? It was completely unintentional.
* The motel the Mistakes stay at before they set out to find Jim and Delta is called the "Motel [[DoctorWho Happiness Patrol]]" - but it's nicknamed "[[TheMuppets The Happiness Motel]]", largely based off a hotel of a similar name.
* Wren's birthplace is the [[TheEagles Hotel]] [[NanQuest California]].