Trump: North Korea's 'Little Rocket Man' should have been handled long ago

President Trump ripped past U.S. administrations' handling of North Korea on Friday, escalating his verbal feud with the country's leader Kim Jong Un by continuing to call him "Rocket Man" and "Little Rocket Man."

"Rocket man should have been handled a long time ago," Trump told a crowd of supporters in Alabama at a rally for Sen. Luther StrangeLuther Johnson StrangePandemic proves importance of pharmaceutical innovation The Hill's Morning Report - Biden assails 'epidemic' of gun violence amid SC, Texas shootings Trump faces test of power with early endorsements MORE (R-Ala.). He has started using the name "Rocket man" for North Korea's leader in the past week.

"We can't have mad men out there shooting rockets all over the place," Trump said.

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"He should have been handled a long time ago by Clinton. I won't mentioned the Republicans, by Obama," he continued, referring to past presidents Bill ClintonWilliam (Bill) Jefferson ClintonBill Clinton on the mend after infection lands him in hospital Biden sends 'best wishes' to Clinton following hospitalization Appeals court allows Texas abortion law to stand MORE and Barack ObamaBarack Hussein ObamaJill Biden campaigns for McAuliffe in Virginia Overnight Energy & Environment — Presented by ExxonMobil — Biden administration breaks down climate finance roadmap Pelosi hilariously scolds media for not 'selling' .5T spending bill: 'Do a better job' MORE.

"This shouldn't be handled now. But I'm going to handle it because we have to handle it. Little rocket man. We're going to do it. Because we really have no choice choice. We really have no choice," he said. 

Trump's comments come after Kim blasted Trump on Thursday, calling him a "dotard" and threatening to escalate North Korea's nuclear weapons program despite the U.S. imposing increased sanctions on the country.

North Korea's Foreign Minister Ri Yong Ho then threatened to test a hydrogen bomb in the Pacific Ocean.

The president responded to the threats on Friday, saying Pyongyang would be tested like never before.