It can be introduced step by step, but it can leave a deep impression on people. For example, my name is Zhang San, male. Gender is clear at a glance, and it is humorous to introduce gender specifically.

Turning to a formal topic, personal hobbies, hobbies outside of study can arouse people's interest, especially those with good grades, leaving people with a feeling that you and I feel the same way and quickly narrowing the distance with classmates.