What's got into?

What's got(ten) into someone?

What is bothering someone?; What caused someone to act that way? (Past or perfect only. The has is contracted except for emphasis.) I just don't know what's gotten into her. I don't know what got into me.

Common Names:

Name	Pronounced	Usage
Heleena	HE-le:-nah	Finnish
Achim (2)	-	Biblical
Przemo	PZHE-maw	Polish
Nataniel	nah-tah-NYEL (Spanish)	Spanish, Portuguese
Arezu	-	Persian
Adalfuns	-	Ancient Germanic