Buster was a friendly, handsome, and flirtatious pigtail macaque (he loved attention from his human lady friends) who retired to the PRC in 1991. Not much is known of his past, but his behaviors suggested he was used in a pony-riding circus act before being relegated to the exotic animal trade. He spent his years here in the company of Crunchy, another elderly pigtail macaque, before dying of heart failure.