Dogcow

The Dogcow is a bitmapped image first introduced by Apple Inc. It is, essentially, a female dog with nose and spots that look like a cow, originally created in 1983 as part of the Cairo font by Susan Kare as the glyph for 'z'.

The dogcow's image was used to show the orientation and colour of the paper in the Mac OS Page Setup dialogue box in system versions before Mac OS X. When the dogcow was removed in Mac OS X, many people requested that Apple bring it back (and third-party utilities that did the trick actually existed). That dogcow image had virtually reached cult status. Dogcows do not "mooo" (like a cow) or "woof" (like a dog). They say Moof!

The original dogcow was named Clarus by Apple employees.

Sources and References

 * Clarus Museum

狗牛