Insults Donald Trump Has Hurled at Convention Speakers Marco Rubio and Ted Cruz on Twitter

His former rivals Ted Cruz and Marco Rubio made brief appearances at the RNC.

Trump nicknamed them "Little Marco" and "Lyin' Ted," respectively, and blasted them on the social media platform and on the debate stage throughout the primary campaign.

Here are a few highlights of his insults to Rubio and Cruz on Twitter:

Cruz was booed during his speech for failing to endorse Trump. He told delegates and voters to "vote your conscience" in November and never specifically said that people should cast their ballots for the Republican nominee.