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.

益: Benefit, advantage, gain. In names, it often shares the same meaning as "overflow," symbolizing abundance and fullness, like water brimming over, representing exceptional intelligence, sharpness, and capability.