But whether the easygoing, middle-aged chimpanzee who walks upright and once enjoyed a nightcap while watching TV is an ape hybrid, a mutant or an entirely new species is still unclear.
"There is no evidence of a human-chimpanzee hybrid," said David Ledbetter, a University of Chicago geneticist who conducted the first-ever DNA test on the chimp that for years was hailed on the freak-show circuit and in tabloids as the so-called missing link between man and monkey.
