Rigatoni mellowed out with age, and grew tired of the usual Pugwampi things. He left petty mischief behind, and is more than content with lounging around all day. He keeps his bad luck aura in check, and in turn, the citizens of Meridian supply him with cheese balls.
Rigatoni's title, Sweet Prince, hints at his past life - he used to be the leader of a large Pugwampi pack that operated in the Coalition lands. It is still active there, with changed leadership, and might have split up in the meantime.