Chess Piece/YMMV

Anvilicious: Yes, but... (Most apparent where Vlad shows off The Jazz Age to his dad; beside the fact that Abe was unimpressed, the Jazz Age will end in two years because of the laid-back attitudes that Vlad champions.)
Draco in Leather Pants: Danny and to a lesser extent Diligence.
Ensemble Darkhorse: Skulker and Diligence-originally, Diligence was going to be a Monster of the Week but the writer liked him too much.
Fan Dumb: On occasion, the shipper goes nuts to the writer's annoyance.
Ho Yay: Of both varieties. Dora and Spectra are hinted very strongly to be lovers and Ember and a Masters forebear are.
Magnificent Bastard and Manipulative Bastard: Danny, of course... and Phantom. Ever so much.
Nightmare Fuel: Danny while under Nocturne's control.
- Blood Bending-need I say more?
Shipping: People generally want to see Sam and Skulker together. And Danny and Writer to a somewhat lesser degree.
Squick: The general reaction to Phantom's origin story, which many compared to an abortion. Yikes.
The Scrappy: Danielle. Totally.
The Woobie: Skulker effectively, though much of his past is unknown. People just like him.