祖: The founder of a career or school of thought, the ancestral lineage, or the motherland. In a name, it often conveys the meaning of a bright future, bringing honor to one's ancestors, and is beneficial for career advancement and academic pursuits.

克: Conquer, restrain. When used in personal names, it conveys meanings of strength, decisiveness, confidence, and fierceness, making it a powerful and assertive character for names.