The Umbilical Brothers, aka David Collins and Shane Dundas, have entertained audiences from Australia and around the world for two decades with their physical comedy, and they made their first appearance Friday on The Late Show with Stephen Colbert.

The Definitive Guide to Comedy
The Umbilical Brothers, aka David Collins and Shane Dundas, have entertained audiences from Australia and around the world for two decades with their physical comedy, and they made their first appearance Friday on The Late Show with Stephen Colbert.