Stu is a masculine name primarily used as a diminutive of Stuart, Stewart, or Stanley. Stuart and Stewart originated as Scottish surnames derived from the Old English 'stig-weard,' meaning 'household guardian.' As a standalone name, Stu gained some usage in the mid-20th century during a trend toward friendly, approachable shortened names. It projects a casual, unpretentious quality with a distinctly mid-century feel. While never ranking highly as a formal given name, Stu maintains recognition through cultural references like the character Stu Pickles from the animated series 'Rugrats' and various sports personalities. Today, it's more commonly used as a nickname rather than a legal given name.

Eliu is a masculine name with Hebrew origins, likely a variant of Elihu, meaning "He is my God" or "My God is He." In the Bible, Elihu appears as a significant character in the Book of Job as the fourth and youngest friend who speaks to Job during his suffering. This simplified spelling variation maintains the original pronunciation while offering a more streamlined appearance. Eliu remains extremely rare in most English-speaking countries, though similar biblical names have seen periodic revivals. The name carries spiritual significance for those familiar with its biblical connections, while its brevity and vowel-rich quality give it a modern, accessible sound despite its ancient origins. Eliu might appeal particularly to parents seeking a name with religious meaning that remains relatively undiscovered and distinctive.