Jasper is a 1-year-old, medium-haired black-and-white cat. A handsome, social guy, he quickly steals the hearts of everyone he meets. See for yourself from 11 a.m. to 4 p.m. at the Humane Society of New York, 306 E. 59th St.; 212- 752-4840 or visit humanesocietyny.org.