

In the episode "Much Ado About Scrooge", a group of witches on an island chants "Bubble, bubble, toil and trouble. This line is sometimes misquoted as "Bubble bubble, toil and trouble", popularized by the American animated television series DuckTales. One of the Mystic Slime's quotes, " Bubble bubble! Boil glubble!", is a reference to a quote from the tragedy Macbeth by William Shakespeare, chanted by the Three Witches: "Double, double toil and trouble Fire burn and cauldron bubble." (act IV, scene I).There is an unused line of text in the game's files: " The license teleports away to the slime delivery service." It suggests that Town Slimes were originally planned to be unlocked with a license like the other town pets.The Cool Slime has the exact same facial expression as the Slime Prince.Most of them have the same body shape as the pets, with different colors, accessories, and facial expressions.

