the top dog

(informal)

the most important and powerful person in a group Jackson was top dog and he made sure he got what he wanted.

Name	Pronounced	Usage
Polyxena	-	Greek Mythology (Latinized)
Despina	-	Greek, Macedonian
Shantelle	shahn-TEL, shan-TEL	English (Rare)
Wen	-	Chinese
Keiko	ke:-ko	Japanese
Ephesius	-	Late Roman