Leftovers can be used as a sauce for rigatoni.
Rigatoni is usually ridged, and the tube's end is square-cut like ziti, not diagonal like penne.
The regional cuisine widely use offal, resulting in dishes like the entrail-based "rigatoni" with "pajata" sauce and "coda alla vaccinara".
Rigatoni is the main villain and main antagonist of the show.
It can be high in fat, sodium, cholesterol and sugar, used for lamb, and served over rigatoni or wide noodles, such as pappardelle.