Cryer played Charlie’s brother Alan for the comedy’s entire 12-season run, which ended in 2015.

“He was undeniably the star of the show.

And a fantastic actor,” Cryer wrote about Sheen.

Jon Cryer; Charlie Sheen

GREG GAYNE/CBS

“Despite his issues, we had many more highs than lows.

But you cant say he ‘carried’ a show that lasted four years without him.”

“I can attest to all of this, because I was there,” he tweeted.

Gaetz continued the back and forth, tweeting, “Whats an Emmy?

An award Hollywood gives itself?

I win elections.”

“Charlie and I really hit it off.

We had a great first few years on that show,” he said on PeopleTV’sCouch Surfing.

“It was incredibly smooth, we had a lovely time, it was working really well.”