Use your head!

and Use your noggin! and Use your noodle!

exclam. Think!; Think it through! You know the answer. Use your head! Use your noggin’, dogg!

Name	Pronounced	Usage
Alphonse	al-FAWNS	French
Yehonatan	-	Hebrew, Biblical Hebrew
Margit	-	Hungarian, Danish, Swedish, Norwegian, Estonian
Fife	-	Scottish
HrÓ&Eth;Geirr	-	Ancient Scandinavian
Archy	['a:tʃi]