top dog

n. the person in charge or in power; a company officer. The reporter tried to get hold of one of the top dogs but couldn’t get past the secretary.

Name	Pronounced	Usage
Alby	-	Irish
Daley	DAY-lee	Irish, English (Rare)
Dudu	-	Portuguese
Sammy	['sæmi]
Biagino	-	Italian
Jaida	JAY-də	English (Modern)