When Grace takes Eze out and scolds him about his food, she tells him it's Nigerian food, which is true in the sense that it's from Nigerian fast food chain Sweet Sensation, although what he's eating is a Boga Masta shawarma, a typical Middle Eastern dish.
Eze is skeptical about his classmate's name when he finds out she's called Bimbo, while the actor who plays the antagonist Smart is Bimbo Manuel.