The Klotz and the Glotz are two strange animals from the book Oh Say Can You Say? They are both confused while looking at each other.
The Glotz happens to have black spots while the Klotz is different and happens to have black dots. The very big problem is that the spots on a Glotz are about the same size as the dots on a Klotz. A boy looks at both the Glotz and the Klotz wondering who the one with the dotz is then onces he figures it out he will know who the Klotz or the Glotz is.