[Doofer]

I can make a Twitter account and call it whatever I like and post whatever I like. What I’m saying the Trump people can’t be that stupid to post anything like that on Twitter unless they’re nuts.

[Leto]

They’re nuts.

[SoothingDave]

I can make a Twitter account and call it whatever I like and post whatever I like. What I’m saying the Trump people can’t be that stupid to post anything like that on Twitter unless they’re nuts.

That's what the little blue checkmark is for. It is Twitter has verified that the account belongs to the actual person. This is really Donald Trump's account.