Asians!

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Who’s he?
 
Google Translate says his name in Little Milk Dog. I can absolutely understand why he took / was given that name!
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It's not a name per se but more of a slang term or concept, like "little wolfhound". It was mostly born from TV dramas. You can google '小奶狗' or 'xiǎo nǎi gǒu' to find out a little more if you wish but in brief, think of a younger handsome, loyal/obedient guy with a sweet disposition.
 
That's just a generic term for all young cute guys with a puppy dog eyes, great skintone, and a youthful vibe. For example Robert Hung is also a Small Milk Dog
Ah hah! Thank you for that. So we're still hunting for a name for him.