OBJ stands for former Nigerian President Olusegun Obasanjo, who once owned a pet chimpanzee named Patience, supposedly after Patience Jonathan, the wife of another former president, Goodluck Jonathan. 
OBJ ni kifupisho cha Rais aliyepita wa Nigeria Olusegun Obasanjo, ambaye hapoa awali alikuwa na mtoto wa sokwe aliyempa jina la Patience, linalodaiwa kuwa ni jina la Patience Jonathan, mke wa Rais mwingine mstaafu, Goodluck Jonathan.