Casimer is a masculine name of Polish origin, representing an Anglicized variant of Kazimierz (Casimir). The name derives from Slavic elements meaning 'destroyer of peace' or 'announcer of peace,' though the latter interpretation is more commonly embraced. It gained prominence through several Polish kings and saints named Casimir, particularly St. Casimir, patron saint of Poland and Lithuania. While never extremely common in English-speaking countries, Casimer enjoyed modest usage in Polish-American communities throughout the 20th century. The name carries an air of aristocratic heritage and Eastern European character. Its traditional roots appeal to parents seeking names with historical depth and cultural significance. Casimer offers its bearers a distinguished name with royal connections while remaining distinctive in most contemporary settings.

Arvel is a masculine name with varied origins. Some sources connect it to Old Norse elements, possibly derived from 'arr' meaning 'eagle' combined with 'valdr' meaning 'ruler.' Others suggest it may be a variant of Arvid, meaning 'eagle tree' or 'eagle wood.' In some regions, Arvel is considered a diminutive form of Arvell or a variant of Orville. The name has remained relatively uncommon throughout history, experiencing brief periods of minor usage in the United States during the early 20th century. Arvel carries a rustic, somewhat old-fashioned charm while maintaining distinctive character. Its rarity makes it an uncommon choice for modern parents, though it appeals to those seeking a name with historical depth and unique quality.