Jason Alexander has made his disdain for President Donald Trump clear on numerous occasions.

Now he’s also clarified his views of Trump supporters.

Best known for his role as George Costanza on “Seinfeld,” Alexander took to Twitter on Thursday after a slew of suspicious packages containing crudely made pipe bombs were sent to various left-wing politicians along with actor Robert De Niro, Democrat funder George Soros, and others this week.

Alexander took issue with Trump’s comments that the media have contributed to political anger and division in the country — and took things a few steps further.

“Did the president actually say that the media is responsible for inspiring this bomber to kill Trump critics? Folks, I’m sorry, the president is a disgraceful sub-human. Those who support his behavior, his words, have something fundamentally wrong with them. No excuse for Trump.”

Alexander not only tried to dehumanize the president in his tweet, but he also went after his supporters.

Just because they have different political views than Alexander, according to him that means they have problems. So Alexander thinks about half of the country has something wrong with them since they do not share his world view.

In the past, Alexander has also compared the president to Adolf Hitler. In February 2017, he tweeted, “I don’t like knee-jerk comparisons to Hitler but Trumps attacks & threats to our free press is pure Hitler playbook and we can’t have it.” In other words, he said he does not like comparing people to Hitler and then proceeded to make an absurd Hitler comparison.

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Alexander has tweeted negatively about the president countless other times, and this included a petition to impeach him in November 2017.

This negative attitude toward Trump and his supporters from the coastal elite and Hollywood is nothing new.

They’ve often made clear they despise the kinds of people who voted for the president.

Whether it was 2016 Democratic candidate Hillary Clinton calling people “deplorable,” rapper Snoop Dogg calling people “motherf***ing racist,” actor Rob Reiner calling people “racists,” Rep. Maxine Waters (D-Calif.) calling people “unpatriotic,” or MSNBC’s Chris Matthews calling people “dogs” — the attitude appears to be the same.

Too often, the mindset toward people with whom they disagree is the same — and it’s negative.

Tom Joyce is a freelance writer from the South Shore of Massachusetts. He covers sports, pop culture, and politics and has contributed to The Federalist, Newsday, and other outlets.