Now this is cool!
If you're ever wondering if Stephen Colbert is in character or not — even though it may be obvious to some — just have a dog with you!!
According to an executive producer on the show, Tom Purcell, Stephen Colbert is way different that his character Stephen Colbert because DOGS WILL TREAT HIM DIFFERENTLY!
The staff is allowed to bring their dogs to the office, so then this happens on the third floor: