A "zebra puzzle" is a popular logic puzzle that involves assigning a set of clues to a group of people or objects in order to deduce a sequence of characteristics. There are many different names for this type of puzzle, including logic grid, grid puzzle, logic problem, and deduction puzzle. These puzzles can come in many different forms, but they all involve the same basic concept of using deduction and logic to solve a complex problem. Some of the most popular versions of the zebra puzzle include "Who owns the zebra?", "The Einstein Puzzle", and "The Four Men of Different Nationalities". These puzzles are great for improving problem-solving skills and critical thinking abilities.