Brooklyn Nine-Nine Wiki

Ronald is a night janitor at The 99th Precinct who drinks hand sanitiser.

Throughout the Series[]

Season One[]

In 48 Hours, Jake met him while the squad pulled an all-nighter trying to find evidence on Dustin Whitman.

In "Pontiac Bandit", Ronald briefly appears, cleaning the floor while peralta does his 2000 pushups; at which point Peralta says "Hey, Ronald".