a whizz-kid

a young person who is very clever and successful They've taken on some financial whizz-kid who's going to sort all their problems out.

Name	Pronounced	Usage
Aten	AH-tən (English)	Egyptian Mythology
Arwen	-	Literature
Hei&Eth;RÚN	-	Norse Mythology, Icelandic
Enkhtuya	-	Mongolian
Rahat	-	Arabic
Kain	-	Biblical Greek