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
Yoan	-	Bulgarian
Raju	-	Indian, Hindi, Telugu, Tamil, Malayalam, Nepali
Mira (2)	-	Bulgarian, Macedonian, Slovene, Croatian, Serbian, Polish
Tsering	-	Tibetan
Stylianos	-	Greek, Late Greek
Octavia	ahk-TAYV-ee-ə (English)	English, Spanish, Ancient Roman