Dweezil Zappa and mostly Danish ancestry. Dweezil's registered birth name was Ian Donald Calvin Euclid Zappa. The hospital at which he was born refused to register him under the name Dweezil, so Frank listed the names of several musician friends. "Dweezil" was a nickname coined by Frank for an oddly curled pinky toe of Gail's. At the age of five years, Dweezil learned that his legal name was different, and he insisted on having his nickname become his legal name. Gail and Frank hired an attorney and soon the name Dweezil was official. In the 1980s, Zappa worked as an MTV VJ
Digit (unit) one twelfth of the diameter of the sun or the moon. This is found in the Moralia of Plutarch, XII:23, but the definition as exactly one twelfth of the diameter may be due to Ptolemy. Sosigenes of Alexandria had observed in the 1st century AD that on a dioptra, a disc with a diameter of 11 or 12 digits (of length) was needed to cover the moon. The unit was used in Arab or Islamic astronomical works such as those of Ṣadr al‐Sharīʿa al‐Thānī (d.1346/7), where it is called "iṣba' ", digit or finger. The astronomical digit was in use