Dana Carvey impersonates the new National Security Advisor with the help of an enormous mustache

On Wednesday night's Late Show, Colbert was joined by his former boss, and SNL legend, quirky comedian Dana Carvey.

Playing up the zany political impersonations he is known for, Carvey appeared as new National Security Advisor, John Bolton.

Carvey's impression of Bolton is bombastic, aggressive, and prone to calling his formidable mustache "General Snowball," highlighting all the warnings about the potentially dangerous and war-happy new cabinet member. 

As he strokes and tries to calm the ever-growing mustache (General Snowball gets excited at the prospect of war and violence), Carvey oscillates between calmly denying Bolton's alleged unhinged behavior and catapulting right into it with wild hand gestures and sound effects. Read more...