Jim Carrey has a history of criticising Donald Trump's presidency - but his latest effort might just be his harshest yet.

Carrey posted a drawing on his Twitter account blaming Trump for the massacres at the two Christchurch mosques in New Zealand.

The Mask actor posted a drawing on his Twitter account on Monday (US time).

It shows a meteor-like figure with Trump's head and hair in a flaming ball of fire as it heads for Earth.

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A swastika is seen on Trump's forehead, and he appears to be screaming.

The caption reads: "Innocent people are now being slaughtered, families ruined and childrens' lives destroyed. All in his name.

"If the Craven Republican Senate allows this vile miscreant to continue encouraging devisiveness, the 'Trump Presidency' will become an EXTINCTION LEVEL EVENT."

On Saturday (US time), Carrey posted a drawing of himself crying in response to the carnage in Christchurch. "My heart is with you New Zealand," he wrote.

"My tears are for all of us." The drawing depicts Carrey's eye as a map of New Zealand.

Trump waded into the controversy over his response to the massacre of 50 people in two New Zealand mosques, complaining that he was being blamed for the tragedy.

"The Fake News Media is working overtime to blame me for the horrible attack in New Zealand," Trump tweeted.

Jim Carrey has been critical of Trump in the past. Photo / Getty Images
Jim Carrey has been critical of Trump in the past. Photo / Getty Images

"They will have to work very hard to prove that one.

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"So Ridiculous!"

Trump appeared to be referring to criticism of his response to the attack.

In a lengthy written rant, Brenton Tarrant - the Australian 28-year-old charged with carrying out Friday's massacre - referred to Trump as "a symbol of renewed white identity".

Trump did on several occasions tweet and speak to condemn the "horrible" attack and offer any US assistance to New Zealand's authorities.

However, he courted controversy when he played down the wider implications of the gunman's ideology, saying that violent white nationalism is not a growing problem.

"It's a small group of people," he said.