President Donald Trump at the White House. REUTERS/Carlos Barria President Donald Trump said on Sunday he does not regret any of his tweets, even the occasional bad post.

"I don't regret anything because there is nothing you can do about it," Trump told the Financial Times when asked about the impact of his Twitter account. "You know, if you issue hundreds of tweets and every once in a while you have a clinker, that's not so bad."

Though Trump has used his Twitter as a weapon to engage opponents and reach his own supporters, his tweets have caused a headache for members of his own party who are often forced to respond to early morning tweets.

Throughout the 2016 presidential campaign, Trump slammed opponents on Twitter, tweeting he would "spill the beans" on Sen. Ted Cruz's wife, and declaring Sen. Rand Paul — the president's golf partner on Sunday — was a "spoiled brat without a functioning brain."

The Trump White House has been pressed about his baseless accusation that President Barack Obama wiretapped Trump Tower, a claim that Trump tweeted out in early March.

"I'd like to get him some Ambien," Sen. John McCain told ABC on Sunday when asked about the president's Twitter usage.

As a reality television star and bombastic businessman, Trump was a prolific tweeter who often made provocative, demeaning, and bizarre tweets about everything from celebrity gossip to dieting habits. Here are a few highlights: