庆: Celebration, jubilation. This character, embodying great joy and auspiciousness, is often used in personal names to signify a life of smooth sailing and the fulfillment of wishes, symbolizing the arrival of good fortune.

灿: The original meaning is brilliance, radiance, vividness, and dazzling splendor. When used in personal names, it conveys the connotations of being open and upright, with a bright and promising future.