Though he really shouldn't let this boy know he had approved of his intrusion, Sigma cannot help but smirk slightly at his cheeky joke. Well, someone who loved cats couldn't be a terrible person, and he was beginning to understand that Nye had instigated the situation. The cat mewled happily at Lyle's rubs and closed his eyes contentedly, and even Sigma could not argue with his pet's happiness.

His tone relaxes. "He was a genetically engineered breed, I believe. One 'rusty Panemian peafowl'. I received him as a gift." There is no bias or anger in his voice when he says 'genetically engineered', to him it is a phrase as normal as describing the weather. "His name is Nye. I find his pattern vaguely reminiscent of plant cells undergoing mitosis, but I am certain that wasn't the breeder's intention." He added the last bit in case the other caught the reference, and figured he would write it off as extra trivia should it elude him.