joker

the joker in the pack

someone or something that could change a situation in a way that you do not expect The independent candidate is the joker in the pack in this election.

joker

n. a man; a guy. Who was that joker I saw you with last night?

Common Names:

Name	Pronounced	Usage
Hawk	[hɔ:k]
Mufaddal	-	Arabic
Mat	MAT	English
Yoshirou	yo-shee-ṙo:	Japanese
Sheba	SHEE-bə (English)	Biblical
EguzkiÑE	-	Basque