the 118 saying, “how’s the buckling?” every time they see buck. buck comes to a shift—“how’s the buckling?” buck goes out with them—“who’s watching the buckling?” buck coming to the firehouse with theo—eddie throws him in the air and shouts, “here’s my buckling!”
In hindsight it's kinda nuts that Marvel's direct followup to Endgame was their most experimental project to date then just... never did anything remotely close to it again