Hong Kong people using full English names got profile suspended for “not using real name” - Gmail Help
How Hong Kong people’s name on their ID card typically looks like is like this:
CHAN, Tai Man 陳大文
This is name in Pinyin and Chinese full name, some may have English first names (like “Brian”) included too, but NOT ALL. They may also have more than 1 English name like middle names or nicknames more known, may or may not match the one on their ID card, lots of combinations.
What we actually use at work, on Facebook, any other sort of things:
Brian Chan, Vader Chan, Brian ’Vader’ Chan, Brian Vendetta Chan