Trump and Bloomberg are trading cheap shots on Twitter. Time to log off.

Billionaires Donald Trump and Mike Bloomberg are throwing the cheapest of cheap shots at each other on Twitter, and it's too early for this.

Before most people even had a chance to get their caffeine fix, Trump tweeted yet another dig at Bloomberg, who's running for president as a Democrat. Trump once again called Bloomberg "Mini Mike," and then took the height shaming to another level by calling him a "5'4" mass of dead energy who does not want to be on the debate stage with these professional politicians."

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Trump went on to say that Bloomberg hates Bernie Sanders and "will, with enough money, possibly stop him."

This time, Bloomberg responded to Trump by tweeting... a Gladiator meme of Russell Crowe with the quote "The time for honoring yourself will soon be at an end."

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Per a tweet from CNN's Shimon Prokupecz, Bloomberg gave a more detailed response to Trump's tweet, saying, "Somebody said you know that he’s taller than me, he calls me Little Mike and the answer is, Donald, where I come from we measure your height from the neck up. I am not afraid of Donald Trump."

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According to Trump's Twitter archive, the president has been calling Bloomberg "Mini Mike" on Twitter since Dec. 2, 2019. He's tweeted the nickname more than a dozen times over the past two months, and has called out everything from Bloomberg's ad campaign and debate performance and more.

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Per the Washington Post, Bloomberg says he's standing strong against Trump's insults. "There’s nothing that Donald Trump can do or say that can hurt me... He’s not going to bully me, and I’m not going to let him bully you," the Democrat recently told a crowd of supporters.

From the looks of it, Trump's tweets aren't going to wear this guy down any time soon.

UPDATE: Feb. 13, 2020, 10:11 a.m. EST This article was updated with additional comment from Bloomberg, past Trump tweets, and a past Bloomberg quote.