When she appears, she can spawn one of several characters you toggled "OFF" in the menu. This forces you to play reactively rather than proactively. A perfectly executed run can be ruined in seconds because Dee Dee decided to spawn a character you weren't prepared for.
"Uh-oh! How unfortunate! Uh-oh! How unfortunate! I'm gonna do a sneaky thing, and throw a new contender in the ring!" Mechanics of Irritation: How DD Breaks the Rules dd fnaf
Dee Dee isn't just annoying; she is the gatekeeper to some of UCN's creepiest secrets. When she appears, she can spawn one of