What constellation are the characters in Meng Xingyuan?

Yang: Scorpio is not easy to approach (this is what Li Nanjun said)

Lin: Virgin, timid, impatient and irritable (same as above).

Xu: Taurus, stubborn and persistent (same as above)

Mike: Aquarius is eccentric, cold-blooded and doesn't care much about others.

Han: Gemini, eccentric and fond of fantasy.

Cheng: Cancer, timid and cowardly.

Old: Sagittarius, flowers, frankness and enthusiasm.