Actor Clint Eastwood speaks to an empty chair while addressing delegates during the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012. (Lynne Sladky/AP)

Eastwood, for those who missed it, spent a large part of his speech talking to an empty chair that played the part of President Obama. The reaction on Twitter, as The Washington Post’s Jen Chaney noted, was nearly instant and almost uniformly perplexed.

Of course, the Twittersphere — the people who brought you Tebowing, planking and owling — soon flooded the social network with pictures of people casting admonishing fingers their own empty chairs. Or glaring at empty chairs. Or having their pets glare at empty chairs.

A Twitter account for @InvisibleObama also sprang up before the convention was even over, delivering snarky one-liners such as “The GOP built me.

Here’s a look at some of what’s out there: