Trish Walker: Fine, be the naked superhero. That could be your alias.
Jessica Jones: Better than the name you came up with.
Trish Walker: Jewel is a great superhero name.
Jessica Jones: Jewel a stripper's name! A really slutty stripper! And if I wear that thing, you're gonna have to call me Camel-toe.
When Trish is talking to Jess on the phone, she pours herself a glass of water and places the bottle of water down to her left. In a brief shot just before her nose starts to bleed, the bottle is suddenly to her right, and then back to her left.
In the comics, Kilgrave's code name is the Purple Man, due to his purple skin. His skin is never purple in this show, except once when shouting at the very end, but his comics counterpart is referenced by the fact that much of his wardrobe consists of purple clothing.