Venture bros. Brock Samson Bobble Head Brock Samson wants into your The Venture Bros. collection! 7-inch bobble head of the show's secret agent. Add him to your desk today! This macho secret agent is conspiring to get into your home and your The Venture Bros. collection! Posing as an irresistible bobble head from Bif Bang Pow! , he stands 7-inches tall in all his machismo glory, ready for his next action... wobbling! Add him to your desk today!