What is cal is short for what name?

"Cal" is often short for the names "Calvin" or "Callum." The name "Calvin" has English and Latin origins, meaning "bald" or "little bald one." It is a popular name that has been used for centuries. The name "Callum" is of Scottish and Gaelic origin, meaning "dove" or "dove-like." It is also a common name in English-speaking countries. Both names have a strong and masculine sound to them.