JROK is the result of a genetic engineering experiment carried out by the British government 29 years ago. Designed to be a near perfect super human with an IQ in excess of 200 and the physical attributes of a comic book super hero, they were a little disappointed with the results which bore no relation to the original design specification.
JROK was placed in a normal, well normalish, family environment and grew up just outside North London. His previous incarnation as a cat occasionally gave him problems, such as the urge to chase small rodents and staring out the window at birds whilst hissing at them. The top secret scientific team closely monitored* his progress having managed to justify another 15 years of funding by claiming the 'special abilities' wouldn't show themselves untill JROK at least reached maturity, or untill after they retired comfortable, whichever came sooner.