who's (someone) when (he's/she's/they&

who's (someone) when (he's/she's/they're) at home

humorous Who is that person? Primarily heard in UK. Robert De Niro? Who's he when he's at home? I've never heard of that actress before, who's she when she's at home?

Common Names:

Name	Pronounced	Usage
Lysandra	-	Ancient Greek
Balliol	['beiljəl]
'Avigayil	-	Biblical Hebrew
Cody	['kəudi]
Manoj	-	Indian, Hindi, Marathi, Bengali, Punjabi, Gujarati, Odia, Telugu, Tamil, Malayalam, Kannada
Eliott	EL-ee-ət	English (Rare)