The final debate before the Iowa caucus was nothing short of entertaining. As always, Twitter users were eager to add to the conversation.

Ted Cruz opened the debate by saying he's a manic. Yes, a maniac.

Marco Rubio made a comment about Sweden.

And much more.

Scroll through quotes, other memorable moments and highlights below. For a full recap of the Republican debate, check out AJC's Political Insider blog.

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Austin Walters died from an overdose in 2021 after taking a Xanax pill laced with fentanyl, his father said. A new law named after Austin and aimed at preventing deaths from fentanyl has resulted in its first convictions in Georgia, prosecutors said. (Family photo)

Credit: Family photo