Donald Trump has suggested he doesn't know who the ruler of North Korea is, referring to two different leaders as "this gentleman".

During an interview with Fox & Friends, Mr Trump said: "I hope things work out well. I hope there’s going to be peace. But, you know, they’ve been talking with this gentleman for a long time.

"You read [Bill] Clinton’s book, he said, ‘Oh, we made such a great peace deal,’ and it was a joke.

"You look at different things over the years with President Obama. Everybody has been outplayed, they’ve all been outplayed by this gentleman. And we’ll see what happens."

During the interview, Mr Trump appears to refer to the current Norht Korean leader as "the gentleman," implying both Mr Clinton and Mr Obama were dealing with the same leader during their respectuve tenures.

He seems to be referring to the Agreed Framework deal made in 1994, which was signed between Mr Clinton and Kim Jong-il.

The current leader, Kim Jong-un, has been running the country since the death of his father Kim Jong-il in 2011.

As Jimmy Kimmel pointed out on his late night show, Jong-un would have been 16 years old when Mr Clinton was president.

In pictures: North Korea marks the Day of the Sun Show all 16 1 /16 In pictures: North Korea marks the Day of the Sun In pictures: North Korea marks the Day of the Sun North Korean women soldiers take part in a military parade in Pyongyang on 15 April AFP/Getty Images In pictures: North Korea marks the Day of the Sun A huge military parade in Pyongyang marks the 105th birth anniversary of Kim Il Sung, the country's late founder and grandfather of current ruler Kim Jong Un AP In pictures: North Korea marks the Day of the Sun North Korean leader Kim Jong-un waves during a military parade on 15 April 2017 AP In pictures: North Korea marks the Day of the Sun North Korean soldiers carry flags and a photo of Kim Il-sung during a military parade in Pyongyang on 15 April AP In pictures: North Korea marks the Day of the Sun Soldiers march across Kim Il Sung Square during a military parade on 15 April AP In pictures: North Korea marks the Day of the Sun What military experts say appears to be a North Korean KN-08 inter-continental ballistic missile is paraded across Kim Il Sung Square during a military parade on 15 April AP In pictures: North Korea marks the Day of the Sun Women wearing traditional Korean dress wave flowers and shout slogans as they pass Kim Jong-Un during a parade in Pyongyang on 15 April AFP/Getty Images In pictures: North Korea marks the Day of the Sun North Korean female soldiers march during a parade for the 'Day of the Sun' festival on Kim Il Sung Square in Pyongyang on 15 April EPA In pictures: North Korea marks the Day of the Sun Military vehicles carry missiles with characters reading 'Pukkuksong' during a military parade marking the 105th birth anniversary of Kim Il-sung in Pyongyang on 15 April 2017 EPA In pictures: North Korea marks the Day of the Sun Attendees carry sheets in the colours of North Korea's national flag during a military parade in Pyongyang on 15 April Reuters In pictures: North Korea marks the Day of the Sun A soldier salutes from atop an armoured vehicle during a military parade in Pyongyang on 15 April Reuters In pictures: North Korea marks the Day of the Sun A North Korean woman cries as she looks towards Kim Jong-un during a parade on 15 April AP In pictures: North Korea marks the Day of the Sun University students carry the national flag and two bronze statues of the late leaders Kim Il-sung and Kim Jong-il during a military parade on 15 April AP In pictures: North Korea marks the Day of the Sun Missiles are driven past Kim Jong-un and other high ranking officials during a military parade marking the Day of the Sun in Pyongyang on 15 April Reuters In pictures: North Korea marks the Day of the Sun North Korean leader Kim Jong-un waves from a balcony during a parade for the 'Day of the Sun' festival in Pyongyang on 15 April 2017 EPA In pictures: North Korea marks the Day of the Sun Missiles are driven past Kim Jong-un and other high ranking officials during a military parade marking the Day of the Sun in Pyongyang on 15 April Reuters

When asked about military intervention in North Korea, Mr Trump said: "I don’t want to telegraph what I’m doing or what I’m thinking.

"I’m not like other administrations where they say, ‘We’re going to do this in four weeks.’ It doesn’t work that way. We’ll see what happens."

Mr Trump previously admitted it was "not so easy" after a 10 minute history lesson on China and Korea with Chinese President Xi Jinping.