Among Donald Trump’s striking claims that Barack Obama “wire tapped” his New York Office during the 2016 presidential campaign, was a personal attack on the former president. Obama was, the new president insisted, “a bad (or sick) guy!”

It is the kind of ad hominem assault typical of Trump’s campaigning style, and not the first time he has taken aim at Obama. Here are few more of the president’s declarations about his predecessor:

Why doesn’t he show his birth certificate? The fact is, if he wasn’t born in this country, he shouldn’t be the president of the United States.

CNN interview, 10 April 2011

Look guys, we’re led by a man that either is not tough, not smart or has something else in mind. And the something else in mind – people can’t believe it. People cannot believe that President Obama is acting the way he acts and can’t even mention the words radical Islamic terrorism. There’s something going on.

13 June 2016

Obama has been the most ignorant president in our history. His views of the world as he says don’t jibe and the world is a mess. He has been a disaster as a president.

Press conference in Florida, 7 August, 2016

Isis is honoring President Obama ... He is the founder of Isis. He founded Isis. And, I would say the co-founder would be crooked Hillary Clinton.”

Rally in Florida, 11 August 2016

I very much look forward to dealing with the president in the future, including counsel. He explained some of the difficulties, some of the high-flying assets and some of the really great things that have been achieved. Really good meeting, great chemistry. Melania liked Mrs. O a lot!

11 November 2016

I think that President Obama’s behind it because his people are certainly behind it ... And some of the leaks possibly come from that group.

28 February 2017

How low has President Obama gone to tapp my phones during the very sacred election process. This is Nixon/Watergate. Bad (or sick) guy!

4 March 2017

Obama has also not been shy in revealing his opinions on Trump, often during the 2016 campaign taking aim at the businessman who would become his successor.

No one is prouder to put this birth-certificate matter to rest than the Donald. And that’s because he can finally get back to the issues that matter, like: did we fake the moon landing? What really happened in Roswell? And –where are Biggie and Tupac?

30 April 2011

They say Donald lacks the foreign policy experience to be president. But in fairness he has spent years meeting with leaders from around the world: Miss Sweden, Miss Argentina, Miss Azerbaijan.

1 May 2016

And there’s one area where Donald’s experience could be invaluable, and that’s closing Guantánamo – because Trump knows a thing or two about running waterfront properties into the ground.

1 May 2016

The Republican nominee is unfit to serve as president, I said it last week and he keeps on proving it ... The notion that he would attack a Gold Star family that made such extraordinary sacrifices on behalf of our country, the fact that he doesn’t appear to have basic knowledge around critical issues, in Europe, in the Middle East, in Asia, means that he is woefully unprepared to do this job.

2 August 2016

This is a guy who spent all his time hanging around trying to convince everybody he was a global elite, talking about how great his buildings are, how luxurious, and how rich he is. All he had time for is celebrities. And now suddenly he’s acting like he’s a populist? Come on, man! You want to know what somebody’s going to do? Look what they’ve been doing their whole lives.

14 October 2016