Authentic, nicknamed "Bud" (foaled June 22, 1995), is a Dutch Warmblood gelding that used to compete in show jumping.

Authentic is a bay with a star and snip and stands 16.1 hands (65 inches, 165 cm) high.

In 2004, Authentic and Madden made double-clear rounds at the Athens Olympic Games which helped the U.S team win the gold medal.

[3] In 2005 the pair were part of the American team that won its first ever Samsung Super League Nations' Cup.

[7] In 2008, Authentic and Madden won the $30,000 WEF Challenge Cup Round VIII, and the $200,000 CN Worldwide Grand Prix.