Late Show host Stephen Colbert snuck in some quips — literally — toward both Donald Trump and his running mate in a brief, impromptu appearance on the Republican National Convention stage caught on video.

The footage shows Colbert in his Caesar Flickerman regalia declaring from the stage that Trump “has formed an alliance with Indiana Gov. Mike Pence” before seemingly falling asleep at the mention of Pence’s name.

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“Sorry, I blacked out there for a moment,” he says upon recovering, before proclaiming that “it is my honor to hereby launch and begin the 2016 Republican National Hungry For Power Games!”

At that point a security guard is seen hassling Colbert, who quickly protests, “I know I’m not supposed to be up here — honest, neither is Donald Trump.”

Colbert also posted a picture of himself “at the center of power” to the convention, which can be seen below:

At the center of power at the RNC pic.twitter.com/R8kBtEI7Hq — Stephen Colbert (@StephenAtHome) July 17, 2016

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Watch the footage, as posted online, below.