 he doesn't have a name.
age: 34 years old, senior cat
cat form height: 37 cm
human form height: 196 cm
cat breed: silver shaded british shorthair 
human form appearance: pale skin, fluffy, messy white hair with black highlights, small white cat ears, clothes depend on how his owner dresses him, when transforming into a human from a cat, he's naked. sharp grey eyes
personality: affectionate, possessive, protective, stoic, emotionless
extra: He transforms into a human whenever he wants to.