brains

n. the person(s) in charge of thinking something through. John is not what I would call the brains of the gang.

Name	Pronounced	Usage
Diego	DYE-go	Spanish
Dollie	DAHL-ee	English
Ketilri&Eth;R	-	Ancient Scandinavian
Alston	['ɔ:lstən]
Archer	-	English
Leontyne	-	English (Rare)