Bred by Archibald Hamilton (1740-1819), 9th Duke of Hamilton, who was said to have cared more for racing than politics, Creeper was a half brother to Miss Green (b f 1787 Highflyer) from whom most of Family 22 descends. He was purchased by Mr Broadhurst in 1789 and for him won three races. He was subsequently sold to the Prince of Wales and Christopher Wilson, then stood at Highflyer Hall before export to Connecticut in 1796. His son, Mr Turnor's Mouse (b c 1796), who won a match against Schedoni (b c 1795 Pot8os) over the Rowley Mile at Newmarket, appears to be his most notable offspring.

Purchased by Captain Abraham Skinner of East Hartford, he travelled to America with All-Fours* and King William*. Described as a beautiful bay he was said to stand 15 hands 3 inches. He stood the 1797 season at Litchfield, Connecticut, then moved to Poughkeepsie, New York, in 1798 and finally stood at Brookfield, Massachusetts, in 1799, which is the last record of him [E2:313]. He was confused in the American Stud Book with the Duke of Grafton's Crawler, however, under either name he left no American stock that bred on.