Barney's interests included bowling, playing pool, poker, tinkering around in Fred's garage, and playing golf. He, like Fred, was also a member of the Loyal Order of Water Buffaloes lodge and its predecessor, the Loyal Order of Dinosaurs. He is also a talented pianist and drummer. He also was an inventor of a human-powered helicopter. Although clearly depicted as being in better shape than Fred, he is not shown to be quite as enthusiastic a sportsman as Fred is. This distinction can be attributed to Fred's fondness for food, though Barney is shown to be almost as capable of excessive appetite on a number of occasions.
- In the Latin American dub of The Flintstone Kids, he was voiced by the late Luis Alfonso Mendoza, who also voiced Winston Zeddemore, Leonardo, Metallo and Mad Hatter.