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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Ja’Quon Stembridge, shown here in July at the Henry County Republican Party monthly meeting, recently stepped from his position with the Georgia GOP. (Jenni Girtman for the AJC)

Credit: Jenni Girtman