One of Us: Artix grew up watching Teenage Mutant Ninja Turtles. Kitsune's armor is based off of the Shredder and there are also Ninja Kappa.
He was super excited as the May 2011 Friday the 13th event had Leonardo's voice actor (Michael Sinterniklaas, from the 2003 series) as Deady.
Recycled Script: Desoloth a dragon of the prime elements being transformed to Desolich by Drakath after being killed by The Hero is like how Akriloth who is also prime (but is only fire) is killed by The DragonFable Hero and being turn to a Dracolich by Xan.
Speulchure's Origin is similar to Xan with the whole love triangle that makes him evil part
Some of the stuff that's been named has been based on crazy ideas. In the Design Notes, Beleen notes that the name of her chinchilla (Chongo) was named that when Cysero—unable to spell chinchilla on Google—decided to called it 'Chongo'.
It's stated that Beleen's chinchilla's name was based on Cysero — having decided to not use Google to figure out how to spell it correctly — and just call it Chongo instead.
What Could Have Been: Interfector Deorum Armor was originally going to be called God Slayer but in response to many players feeling uncomfortable with the name The Staff decided to call it the Interfector Deorum Armor