Theodore O'Connor (May 8, 1995 – May 28, 2008), nicknamed "Teddy," was a 14.1 3⁄4 hands (57.75 inches, 147 cm) pony (though of horse phenotype) who competed internationally at the highest level of eventing.

"[1][2] Theodore O'Connor (or "Teddy") was by the 16.2 hands (66 inches, 168 cm) Thoroughbred stallion Witty Boy, who finished his racing career with a record of (40-5-1-3) and earnings of $50,518.

Notable progeny include the show hunter I Don't Know (2000 USAEq National Champion) and the Anglo-Arabian VSF Otis+/ (completing 100-mile endurance competition).

He began eventing when he was six and continued up through Preliminary under rider Nicole Villers, before Christan Trainor rode him on through the Advanced level and finished in 8th place at his first CIC**.

Olympian Karen O'Connor then rode him at the Advanced level, eventually taking him to his first CCI**** at the Rolex Kentucky Three Day where he finished 3rd with 4.4 time faults cross-country.