Nifty is apparently bilingual. As she started to sing in Japanese, she may have been such when alive or it was her second language.
Velvette is seen working at a cauldron, implying she is making a love potion like in her advertisement.
Among Baxter's patrons was Zestial.
Pentious and Cherri saw their fights as romantic moments. Seeing as it's the only way they knew to express themselves.
Charlie's plan to redeem Angel, is a reference to Dudley Do-Right's antagonist Snidely Whiplash and his schemes to tie Penelope to the train tracks.
