Family McMug, who grew up on
Lantau Island, was adopted when he was only one month old. In a thundery night, all panicky pigs fled from the farm, and among them was McMug who was picked up by a couple who were on the island for a holiday. McMug can speak. He calls his parents Papa and Mama. The couples were
Robin Hood figures when they were young, named
BugBug. They count Superman as well as Superwoman amongst their friends.
Friends McMug has his school life in a kindergarten named Springfield Flowers Kindergarten (春田花花幼稚園). He has been studying in kindergarten for 8 years. •
Lisa, a
wild boar, is McMug's penfriend. •
Darby, a tom
cat, is his classmate. •
Goosie, a
goose, is known for kindness. •
Fai, a
tortoise, is loyal to friends. •
May is a
cow. •
June is a female
hippopotamus who always hangs out with May. They work out together. •
McDull, McMug's only pig friend, who is even sillier than McMug. Early stories suggested that McDull and McMug are distant cousins. •
Miss Chan, a human teacher. •
The Principal, a middle-age man who founded the Springfield Flowers Kindergarten and became its Principal. Incidentally, he also opened a noodle shop in ''McDull's story''. According to one story, he founded the kindergarten in order to provide a teaching position for his wife, who was migrating to Hong Kong from the Mainland. ==Social impact==