butt-kicker

and ass-kicker

n. someone or something capable of defeating or surpassing all others. That idea is a real butt-kicker. He is an ass-kicker, but he at least rewards us for putting up with him.

Common Names:

Name	Pronounced	Usage
Blaine	[blein]
Carlyn	-	English
Dev	-	Indian, Hindi, Marathi
Izabelle	IZ-ə-bel	English (Modern)
Kassandros	-	Ancient Greek
Zipporah	zi-PAWR-ə (English), ZIP-ər-ə (English)	Biblical, Hebrew