1. Surname plus nickname: use the old man's surname plus a nickname as the name of WeChat, such as "Grandpa Zhang" and "Grandma Wang".

2. Joke element: Use some humorous and lovely words to express the characteristics of the elderly, such as "happy old man" and "happy aunt".

3. Names of relatives: Use the names of relatives closest to the elderly as the names of WeChat, such as "father of son" and "mother of daughter".

4. Joy in life: Use activities or hobbies that the elderly are interested in as WeChat names, such as "travel lovers" and "scholarly reading".

5. Happiness blessing: Use some words full of blessings and positive energy as the name of WeChat, such as "healthy and happy" and "years are quiet".