Animated, make believe, anthropomorphic. Take your pick.
Porky Pig is on the show Looney Tunes
About from 10-15 years. But if your pig is feral it could live quite a bit longer.
pigs can live up to 15 years old
Guinea pigs are said to live to 5 or 6ish years but some live to be much older. I have had a 7 year old and some people claim to have 10 year olds.