Youre the Cal Ripken of low-grade alcoholism, cracks Abby (Natalie Morales).

Did you know that Jack Quinn had a longer career than Babe Ruth?

Then he landed another of those: Janitor on NBCsScrubs.

NBCUniversal Upfront Events - Season 2018

Credit: Maarten de Boer/NBC/NBCU Photo Bank via Getty Images

But the role turned into a memorable eight-year run and the beginning of an even longer one.

I learned the ropes onScrubs, says Flynn.

Before casting Flynn,Scrubscreator Bill Lawrence already knew how funny the actor could be.

Neil-Flynn

Richard Cartwright/ABC via Getty Images; Michael Ansell/ABC via via Getty Images; Justin Lubin/NBC

Occasionally we would literally write in the script JANITOR: Hey, Neil, say something funny.

There was a transition fromScrubstoThe Middle, he shares.

The characters were quite different.

With a bigger part comes many, many more hours at work.

But I was 100 percent happy to be there; I welcomed the weightier part.

WithAbbysfuture still to be determined, its possible that Flynn could be facing the end of the streak.

I guess I was eventually let into the party and just refused to leave.

Abbysairs Thursdays at 9:30 p.m.

This article appears in thenew issue of Entertainment Weekly on stands Friday, featuring the stars ofAvengers: Endgame.