Friendly Creatures

Cod/Salmon/minno. Used for meat, which fuels 1.5 days.

Swine/Cows. Used for meat and/or milk (for cows). Meat fuels 3 days, milk fuels 1

Chicken/Poultry/Duck: Used for their eggs and meat. Meat fuels 2.25 days, eggs fuel 1.25

Small cats/dogs. Used for pets and/or hunting helpers.

Horses. Used for riding. Go x15 faster than walking.

Villages/dwarf-men/Hogwirts/Elves. Used for trading with, helping, marrying, and making friends with.

Sheep, Rams. Can produce wool and mutton (rams can be used as an animal to get horns)

Other players (unless they want to kill you, TRAITOR!): a source of strange meat, items, and bad karma, as well as befriending them and getting good karma. Meat fuels 4 days, but you will have a 99% chance of going insane once you eat it.