Mystere was a bay horse foaled on 26 November, 1974 at Pamulang Stud & Stable in
Tangerang,
Banten. His sire is Rico Rio (THB AUS), a son of Todman (THB AUS), and his dam is Saptadewi (
Priangan breed), a daughter of Dark Chevallier. Mystere breed was classified as G1 (
Generasi ke-1) based on the
Pordasi classification, with a proportion of Thoroughbred genetic material of 50%. Mystere was owned by Pamulang Stud & Stable, with trainer Abdullah S., and usually ridden by jockey Boetje Pantouw. During his racing career, he represented the
DKI Jakarta contingent. == Racing career ==